date:20100126


On Jan 25, 5:34 pm, Ice13ill andrei.fifi...@gmail.com wrote:
 Hello, i'm trying to develop a custom application event system using
 my own events and a base event (inherited by the other event types)

 Here is the code of the base event class:

 public class EBaseEventH extends EventHandler extends GwtEventH{

         public static GwtEvent.TypeH TYPE = new GwtEvent.TypeH();

         @Override
         public GwtEvent.TypeH getAssociatedType() {
                 return TYPE;
         }

 }

 The first pb is a compilation problem: i get the message:

 Cannot make a static reference to a non-static type H
 I don't understand, why is H a static type ? and how can i resolve the
 pb ? (i'm not very good working with parametrized types)

 The second pb is that i'm not sure if this is a good/correct approach.
 Any ideas ?

The problem is that the Type should be unique for each event
(otherwise, you couldn't listen only to a specific subclass of your
event; instead all your handlers would be called whichever the
specific type of EBaseEvent).

In GWT, DomEvent extends GwtEvent but does not create a Type,
instead all DomEvent's subclasses have their own Type? (don't go
read the DomEvent code, it'll probably distract and confuse you,
because DomEvent is so special in also having to attach handlers to
the DOM).

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Re: Filedownload with exception handling in gwt

2010-01-26 Thread Joe Cole

What do you mean exceptionhandling?

Our logic goes like this:

1) If IE then show an IE specific download link. Too many users have
troubles with popups on IE.
2) For other browsers, use this:

public static native boolean open(String url, String name, String
features) /*-{
var windowReference = $wnd.open(url, name, features);
if( windowReference ) return true;
return false;
  }-*/;

We check to see if the link has opened, and show them an error message
telling them to enable the popup.

Is that what you mean?

On Jan 25, 10:08 am, muckdabobenos abo.kla...@gmx.de wrote:
 Does anyone knows how i can intiate a download with exceptionhandling
 in gwt. I tried a hidden Frame. It works fine, but i can't fetch the
 error message which is posted if something goes wrong.

 Can anybody help?

 Thanks

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Re: mousemove listener for document?

2010-01-26 Thread Fazeel Kazi

Another simpler solution using EventPreview:

Event.addNativePreviewHandler(new Event.NativePreviewHandler()
{
 public void onPreviewNativeEvent(NativePreviewEvent foEvent)
 {
switch(foEvent.getTypeInt())
{
   case Event.ONCLICK: handleClick(foEvent); break;
   case Event.ONMOUSEOVER: handleMouseOver(foEvent); break;
}// end switch
 }
});


Regards.

On Tue, Jan 26, 2010 at 3:09 PM, DaveC
david.andrew.chap...@googlemail.comwrote:

 The way I've done it (I think is):

 1. Create a new Class that extends Widget and implements
 HasMouseMoveHandlers

 2. Grab the RootPanel Element and pass that into your new Class
 constructor (the one that takes an Element as a param) - this should
 call setElement(Element element) with you passed in element...

 You can now add MouseMove handlers to you new Widget...

 On Jan 26, 12:49 am, markww mar...@gmail.com wrote:
  Hi,
 
  Is there a way to listen for mousemoves on the main document? In
  javascript, I usually do this:
 
window.onload = function() {
document.onmousemove = function(e) {
alert(the mouse was moved!);
};
}
 
  can we add some sort of similar listener in GWT? I'm just not sure
  where to start,
 
  Thanks

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How to wait until the user clicked a button in a PopupPanel???

2010-01-26 Thread ojay

Hi,

I have user editor and when somebody clicks the delete button I show a
popup in which the user has to confirm that all the data should be
deleted. Only if this will be confirmed with yes, the data will be
deleted in the database. Now is my problem that I do not know how I
can wait until the button was pressed. I am using the MVP architecture
like it was diskussed in a lot of threads here, so my presenter calls
a getConfirmed Method in which the popup will be shown. But know I do
not know how to wait to this click.

Does somebody has a solution for this?

Thanks

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Re: mousemove listener for document?

2010-01-26 Thread DaveC

I've run into (perfornance) issues using a NativePreviewHandler as it
will recieve *ALL* events (mouseover/out/move/up/down etc, etc...)
which is why I don't use that method.

On Jan 26, 11:08 am, Fazeel Kazi fazzze...@gmail.com wrote:
 Another simpler solution using EventPreview:

 Event.addNativePreviewHandler(new Event.NativePreviewHandler()
 {
      public void onPreviewNativeEvent(NativePreviewEvent foEvent)
      {
         switch(foEvent.getTypeInt())
         {
            case Event.ONCLICK: handleClick(foEvent); break;
            case Event.ONMOUSEOVER: handleMouseOver(foEvent); break;
         }// end switch
      }

 });

 Regards.

 On Tue, Jan 26, 2010 at 3:09 PM, DaveC
 david.andrew.chap...@googlemail.comwrote:

  The way I've done it (I think is):

  1. Create a new Class that extends Widget and implements
  HasMouseMoveHandlers

  2. Grab the RootPanel Element and pass that into your new Class
  constructor (the one that takes an Element as a param) - this should
  call setElement(Element element) with you passed in element...

  You can now add MouseMove handlers to you new Widget...

  On Jan 26, 12:49 am, markww mar...@gmail.com wrote:
   Hi,

   Is there a way to listen for mousemoves on the main document? In
   javascript, I usually do this:

     window.onload = function() {
         document.onmousemove = function(e) {
             alert(the mouse was moved!);
         };
     }

   can we add some sort of similar listener in GWT? I'm just not sure
   where to start,

   Thanks

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Re: How to write a simple overlay implementation?

2010-01-26 Thread Brett Morgan

It might be worth checking out the gwt svg implementation in gwt-widget
library:

http://gwt-widget.sourceforge.net/docs/xref/org/gwtwidgets/client/svg/package-summary.html

On Tue, Jan 26, 2010 at 6:22 AM, markww mar...@gmail.com wrote:

 Hi,

 I'd like to make some really simple overlay classes in GWT to wrap
 some SVG stuff. I'd basically like to get a rectangle drawn, this is
 how I do it in javascript:

  var svg = document.createElementNS('http://www.w3.org/2000/svg',
 'svg');
  svg.setAttribute('width', '100%');
  svg.setAttribute('height', '100%');
  document.body.appendChild(svg);

  var rect = document.createElementNS('http://www.w3.org/2000/
 svg','rect');
  rect.setAttribute(width,300);
  rect.setAttribute(height,100);
  svg.appendChild(rect);

 and now I'm having trouble translating that to GWT. I was hoping I
 could do a really thin overlay around all those calls, something like
 this:

 public class SVGPanel extends JavaScriptObject {
protected SVGPanel() {}

public static native SVGPanel create(String width, String height) /
 *-{
var svg = document.createElementNS('http://www.w3.org/2000/
 svg', 'svg');
svg.setAttribute('width', width);
svg.setAttribute('height', height);
return svg;
}-*/;
 }

 public MyProject implements EntryPoint {

public void onModuleLoad() {
SVGPanel panel = SVGPanel.create(100%, 100%);
Document.get().getBody().appendChild(panel);
}
 }

 yeah but I do not have a grasp on how we can jump from the javascript
 representation of the SVG stuff to GWT java classes. For one, the
 SVGPanel class extends JavaScriptObject, but I can't simply add it to
 the Document body class because it's expecting an Element type. If
 someone could just point out the right way to do that bridge I should
 be able to get going after that.

 Also, I'm not sure if this the optimal way to incorporate some simple
 SVG classes, should I be modeling them using the DOM classes instead
 of trying to use JSNI ?

 Thanks

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-- 
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Re: GWT 2.0 Upgrade Problem

No, i definetly mean not the XYZ.nochache.js.

Here is a line from my firebug:
http://localhost:8080/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js

this is what gwt tries to load, but the file is definetly reachable
under this path:
http://localhost:8080/application/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js

i think the gwt compiler has a problem with it´s pathes and the
folders within the war file.
i have a new problem, when i compile the application and start it at
the application server all pathes to the images folder are wrong, but
this time the name of the application instance is missing in the image
pathes.

i´m absolutely sure both problems had nothing to do with the upgrade
but are compiler errors. i had similar problems before when ich made
an if statement on an Tree.

my original code was something like:
if ( tree != null )

that caused compiler error that have not been displayed but the
XYZ.cache.js couldn´t been found

wehn ich changed the line to:
if ( tree.getRoot() != null )

the compiled code worked.

So i guess, you google folks have to do a coulpe of fixes to your
compiler :-)

On 11 Jan., 20:37, Chris Ramsdale cramsd...@google.com wrote:
I second Rajeev's comments, there are a couple of oddities that you may
experience when upgrading.

That said, I'm wondering about the following (@m.militz):

1. I'm assuming you meant XYZ.nocache.js and not XYZ.cache.js. Is this
correct?
2. While GWT does produce a .html when you create a new project, it does not
create this file every time, and it does not alter it once created. Put
another way, I don't believe that GWT is mucking with your Project.html file
(not even during upgarde). Is your script tag, within Project.html,
incorrect for some reason? What happens if you simply change it to reference
module/module.nocache.js?

- Chris

On Mon, Jan 11, 2010 at 12:33 PM, Rajeev Dayal rda...@google.com wrote:
Hi,

Have you seen an instance where GWT tries to load the nocache.js file
directly from the root of your war folder? What does the HTTP GET request
look like?

There is definitely a bug in GWT when switching between SDKs. The problem
is twofold:

1) The hosted.html file does not get regenerated. The workaround for this
is to blow away the generated subdirectories of the war directory after
switching SDKs.
2) Because of the caching rules that GWT's embedded Jetty uses, hosted.html
is not re-requested by the browser whenever it is requested. The workaround
for this is to clear your browser's cache.

Rajeev

On Mon, Jan 11, 2010 at 11:16 AM, m.mil...@newelements.de
m.mil...@newelements.de wrote:

Thanks for the hints, but all of this issues i could handle by myself.
the problem is gwt produces erroneus code. it tries loading
XYZ.cache.js files from the war folder, but into the war fiolder are
subdirectories where the js files lies.
It looks like this only happens on special occasions but i still can´t
fire out what is responsible for that.

On 9 Jan., 23:15, Sorinel C scristescu...@hotmail.com wrote:
Hi all,

There small tricks related with the environment, which aren't
documented, in the GWT tutorial.

Here you can find what helped me to solve the migration issues:

http://ui-programming.blogspot.com/2009/12/update-your-application-to.
..

Cheers!

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Re: GWT 2.0 Upgrade Problem

No, i definetly mean not the XYZ.nochache.js.

Here is a line from my firebug:
http://localhost:8080/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js

this is what gwt tries to load, but the file is definetly reachable
under this path:
http://localhost:8080/application/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js

i´m absolutely sure both problems had nothing to do with the upgrade
but are compiler errors. i had similar problems before when ich made
an if statement on an Tree.

my original code was something like:
if ( tree != null )

that caused compiler error that have not been displayed but the
XYZ.cache.js couldn´t been found

wehn ich changed the line to:
if ( tree.getRoot() != null )

the compiled code worked.

So i guess, you google folks have to do a coulpe of fixes to your
compiler :-)

On 11 Jan., 20:37, Chris Ramsdale cramsd...@google.com wrote:
I second Rajeev's comments, there are a couple of oddities that you may
experience when upgrading.

That said, I'm wondering about the following (@m.militz):

- Chris

On Mon, Jan 11, 2010 at 12:33 PM, Rajeev Dayal rda...@google.com wrote:
Hi,

Have you seen an instance where GWT tries to load the nocache.js file
directly from the root of your war folder? What does the HTTP GET request
look like?

There is definitely a bug in GWT when switching between SDKs. The problem
is twofold:

Rajeev

On Mon, Jan 11, 2010 at 11:16 AM, m.mil...@newelements.de
m.mil...@newelements.de wrote:

On 9 Jan., 23:15, Sorinel C scristescu...@hotmail.com wrote:
Hi all,

There small tricks related with the environment, which aren't
documented, in the GWT tutorial.

Here you can find what helped me to solve the migration issues:

http://ui-programming.blogspot.com/2009/12/update-your-application-to.
..

Cheers!

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Re: How to wait until the user clicked a button in a PopupPanel???

2010-01-26 Thread Cristian Nicanor Babula


When the user clicks the ok button, you generate delete all event.

On 01/26/2010 12:10 PM, ojay wrote:

Hi,

I have user editor and when somebody clicks the delete button I show a
popup in which the user has to confirm that all the data should be
deleted. Only if this will be confirmed with yes, the data will be
deleted in the database. Now is my problem that I do not know how I
can wait until the button was pressed. I am using the MVP architecture
like it was diskussed in a lot of threads here, so my presenter calls
a getConfirmed Method in which the popup will be shown. But know I do
not know how to wait to this click.

Does somebody has a solution for this?

Thanks

   


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Re: How to wait until the user clicked a button in a PopupPanel???

2010-01-26 Thread Lothar Kimmeringer

ojay schrieb:

 I have user editor and when somebody clicks the delete button I show a
 popup in which the user has to confirm that all the data should be
 deleted. Only if this will be confirmed with yes, the data will be
 deleted in the database. Now is my problem that I do not know how I
 can wait until the button was pressed.

One solution would be to use the confirm-method in Window, showing
the standard Javascript confirm popup which is modal and returns
the moment, the user confirms (or denies) the question:

if (Window.confirm(CONSTANTS.AreYouSure())){
  letBadThingsHappen();
}

 I am using the MVP architecture
 like it was diskussed in a lot of threads here, so my presenter calls
 a getConfirmed Method in which the popup will be shown. But know I do
 not know how to wait to this click.

If you want to use a GWT Dialog-box you can solve that by
calling a callback-function:

MyPanel.java:
[...]
   MyConfirmDialog mcd = new MyConfirmDialog(this);
   mcd.center();

public void onUserConfirmed(boolean clickedYes){
   if (clickedYes){
  letVeryBadThingsHappen();
   }
}

MyConfirmDialog.java
   public MyConfirmDialog(MyPanel parent){
  super(false, true);
  this.parent = parent;
   }
...
   yesButton.addClickLister(...
   public void onClick(final Widget sender){
   hide();
   parent.onUserConfirmed(true);
   }
   );
   noButton.addClickListener(...
   public void onClick(final Widget sender){
   hide();
   parent.onUserConfirmed(false);
   }
   }

 Does somebody has a solution for this?

Above should give you an idea.


Regards, Lothar

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Re: JsonpRequestBuilder only works across domains?

once again, i have to answer the question myself!
at first: would anyone PLEASE write an guide for using the
jsonprequestbuilder it´s damn annoing the find out everything by
try and error.

about my problem:
the name of the callback method for the jsonp request changes whith
every request.
when you do the first request the name is: __gwt_jsonp__.I0.onSuccess
for the second request: __gwt_jsonp__.I1.onSuccess
for the third: __gwt_jsonp__.I2.onSuccess
...

that definetly make sense, BUT is nowhere noted in the
documentation!
and - belive it or not - you can see this little change from one
request to another very hard when you look at a couple of requests.


On 21 Jan., 19:32, m.mil...@newelements.de m.mil...@newelements.de
wrote:
 at first i thought i had the same problem. my jsonp requests always
 timed out. but then i looked at the jsonp examples from the google
 code pages and found something.
 nowhere in the f* tutorials is described how the answer of such an
 jsonp request should look like. what i thought was it has to be an
 JSON Strin lik:

 { JSONData }

 but it looks like, that causes an jasvascript error which is not
 visible in the browser. the returned string must be javascript code
 that could be called via the eval function
 example:

 __gwt_jsonp__.I0.onSuccess({JSONData});

 now the first call works fine. but i have another issue. i use a
 server side cometservlet, keeping the connection open until i have a
 message to return.
 that works fine, i can see the answer for the request in firebug, but
 json didn´t understand the delayed return.

 any suggestions?

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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?



On 21 Jan., 15:44, John V Denley johnvden...@googlemail.com wrote:
 for you dduck, the way forward would be to do as leduque suggests
 above and set the compile time flag for style to detailed and that
 should give you a much better idea where the error is, you might find
 the following link 
 useful:http://code.google.com/webtoolkit/doc/1.6/FAQ_DebuggingAndCompiling.h...

I have done so, but the debugging still points to a piece of
JavaScript that does not have a clear correspondence to the original
Java code :(

Regards,
  Anders

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Re: Problems with build process, please help

2010-01-26 Thread Francisco Bischoff

The code you are trying to compile is the original from GWT 1.7 project or
have you made some changes? What about the 3rd party modules, do you use
some of that? Maybe there is some code messing up with the compiler...

And the Development Mode, can you try the application using it?

Try to compile your code as original as you had successfully compiled in GWT
1.7 and try to make experiments cutting some 3rd party modules off.

--
Francisco Bischoff
http://www.cirurgiaplastica.pro.br

O mate está para o gaúcho como o chá para os ingleses, a coca para os
bolivianos, o uísque para os escoceses e o café... para os brasileiros
-- Eduardo Bueno

On Mon, Jan 25, 2010 at 10:45 AM, Pieter Breed pieter.br...@gmail.comwrote:

Hi Frincisca,

Yes, actually... My machine is currently trying to build the app with
an allocated 15Gigabytes of allocatable ram. Not many desktop machines
have so much, so I'm stuttering along on virtual memory which makes it
slow. (It's been busy for 2 hours already)

But it does feel strange to me that gwtc would need so much ram, which
is why I'm asking if we can work with the compiler in this case to
keep these requirements down. The other option is that we are doing
something wrong (which is slightly more likely). Maybe somebody can
help us sort it out?

Pieter

On Jan 25, 11:59 am, Francisco Bischoff franzbisch...@gmail.com
wrote:
Hi,

I'm not the very experient here, but have you tried to follow the
compiler
error?

[ERROR] Out of memory; to increase the amount of memory, use the -Xmx
flag
at startup (java -Xmx128M ...)

Maybe you just need to reserve more memory for the java compiler.

--
Francisco Bischoffhttp://www.cirurgiaplastica.pro.br

O mate está para o gaúcho como o chá para os ingleses, a coca para os
bolivianos, o uísque para os escoceses e o café... para os brasileiros
-- Eduardo Bueno

On Mon, Jan 25, 2010 at 9:47 AM, Pieter Breed pieter.br...@gmail.com
wrote:

[ERROR] Out of memory; to increase the amount of memory, use
the -Xmx flag at startup (java -Xmx128M ...)

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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?



On 26 Jan., 13:11, dduck anders.johansen.a...@gmail.com wrote:
 I have done so, but the debugging still points to a piece of
 JavaScript that does not have a clear correspondence to the original
 Java code :(

Specifically it points to this line:

function Y$(a){var b;if(a.Z()){return KK(new IK,Wob)}else{b=lJ(new
fJ,Ohb+a._()+Xob);b.d=true;oJ(b,vV(new _$,a));return b}}

The error is: java.lang.IndexOutOfBoundsException: Can't get element
58

Regards,
  Anders

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GWT Tomcat in Eclipse: Tomcat loads its classes from gwt-dev.jar instead of its own.

2010-01-26 Thread Bob Luo

Hi,

I am actually experimenting with GWT to replace our UI. (We actually
use struts)  I like GWT a lot so far.

I thus pushed the experiment further by trying to integrate it in our
solutions.  I must work within a few parameters set by my employer.
Among those, it must be possible for my team to debug/trace GWT stuff
(Take advantage of the devmode) but while the main application still
runs in tomcat 5.5.26. (-noserver switch).  All of this inside the
same Eclipse.

I came close to get this to work, really close, but here's my problem:
The tomcat ClassLoader loads tomcat classes found in gwt-dev.jar
instead of reading its own jar files.  If both those tomcats (Mine and
GWT's) were of the same version, I would probably not even know
there's a problem.

This is how i am set up:

1. I have a tomcat installed outside of my project, say, d:/
tomcat-5.5.26
2. I have an eclipse project which was created fully by the GWT
wizard. (say, d:/projects/myproject)
3. I activated the AJDT builder in this project.
Up until here, everything works great, but inside Google App Engine.
(no -noserver switch)

4. I deactivate the Google App Engine (add the -noserver switch)
5. I create a server.xml inside my project, rig everything up
6. I create a Run Configuration this way:
6a. Main class: org.apache.catalina.startup.Bootstrap
6b. Working directory: d:/tomcat-5.5.26/bin
7. I add bootstrap.jar in the classpath of my project.

I try to launch it, bang problems arise because of the mixup.  I tried
tampering with the classpath in my Run Configuration to eliminate GWT,
and my tomcat loads allright.  (Obviously the GWT classes on the
server-side fail to load since they extend RemoteService, which,
without GWT jars, is not found of course)

I suppose that if the tomcat jars were earlier in the classpath, I
would not have this problem?

A solution for me to try would be to open gwt-dev.jar and erase tomcat
classes.  I don't like this solution.  Would it even work?  Is there a
better way?

Thanks a lot!
Bob

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display images in smartgwt

2010-01-26 Thread joe7935

hi all,
I want to display a image is my project .
i want to know where to store the image and what is the path for that
image.
by the way i successe to display a image that was stored in the web .
please help me.
thanks

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Re: Maven users survey

2010-01-26 Thread cowper

Hi,
  From our perspective, we managed to get things working somewhat
adequately as follows:

1. use maven for automated builds and awesome dependency management
2. use eclipse and maven eclipse plugin
3. use gwt and gae plugins (where SDK must point to the same versions
as those declared in pom.xml)

Our biggest challenge was the assumption that the war lives in a
directory named war. We got around this on *ix by using a symbolic
link to point to the actual build directory in target. The second
issue was with the run configurations loading the hosted mode from a
non-sdk directory due to the order JAR files are included. We got
around this using the -Dappengine.sdk.root parameter.

So for us the big wins:

1. better integration of gwt and gae SDKs with maven dependency
management
2. flexibility to override all the parameters passed to the HostedMode
launcher (in this case we could override -war)

cowper

On Jan 13, 8:35 am, Keith Platfoot kplatf...@google.com wrote:
 Hi folks,

 For the next release of the Google Plugin for Eclipse, we're planning on
 making a few tweaks to make life easier for Maven users. That's right: we've
 seen the stars on the issue tracker, and have decided it's time to act. I
 would say, we feel your pain, but the problem is, we don't. Which is to
 say, nobody on the plugin team actually uses Maven (everybody around here
 uses Ant). However, I've been researching Maven to determine exactly what
 changes we should make to allow it to work more seamlessly with the Google
 Eclipse Plugin. I've read the relevant issues and groups postings, so I
 think I have a rough idea of what needs to happen. However, before we go and
 make any changes, I wanted to ask for the community's advice.  So, here are
 some questions for you.

 What is the typical workflow of a GWT developer using Maven?

 I've installed Maven and the gwt-maven-plugin 1.2-SNAPSHOT and managed to
 create a GWT 2.0 app with the provided archetype. After some tweaking, I'm
 able to GWT compile, debug with Eclipse (though not via our Web App launch
 configuration), create a WAR, etc. However, I'm more interested in how you all
 are doing things. For example:

 How do you...

    - Create a new project?
    - Perform GWT compiles?
    - Debug with Eclipse?
    - Run your tests?
    - Create a WAR for deployment?

 What specific pain points do Maven users run into when using the Google
 plugin?

 I know one major obstacle is that our plugin currently treats the war
 directory as both an input (e.g. static resources, WEB-INF/lib,
 WEB-INF/web.xml) and output (WEB-INF/classes, GWT artifacts like nocache.js
 and hosted.html) . Maven convention, however, says that /src/main/webapp
 should be input only, which means that hosted mode (or development mode, in
 GWT 2.0) needs to run from a staging directory (e.g. gwt:run creates a /war
 folder on demand). This mismatch results in the plugin creating spurious
 validation errors and breaks our Web App launch configuration.

 Another incompatibility is that Maven projects depend on the GWT Jars in the
 Maven repo, whereas our plugin expects to always find a GWT SDK library on
 the classpath.

 Are my descriptions of these pain points accurate?  If so, one possible
 solution would be for the plugin to allow the definition of an input war
 directory (e.g. src/main/webapp) separate from a launch-time staging
 directory, and for us to relax the requirement that all GWT projects must
 have a GWT SDK library.  So tell me: would these changes adequately reduce
 the friction between Maven and the Google plugin?

 Also, are there other problems Maven users are running into when using the
 plugin?

 Thanks in advance for all feedback,

 Keith, on behalf of the Google Plugin for Eclipse team

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TabPanel listener sample code

2010-01-26 Thread Dhiren Bhatia

Hi folks,

Are there any samples of the TabPanel with the listener implemented?
It would be very helpful to look at some example code.

Thanks!

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listbox + ajax

2010-01-26 Thread Lorenzo

Hi, I'm new here and new to gwt.
I'm not a Java programmer, but I'm start to learn to use GWT.

I'm trying to use an extension of the ListBox widget to make it able
to collect data from a database by AJAX.

I found only an example on the web, but I obtain an uncaight exception
(class not found) at the first row of this example.

Can you help me? :-)
thanks!

Lorenzo

This is the code:
Note: the error is when it executes the line:

RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
source);

ClassNotFoundException
arg0 = com/google/gwt/http/client/RequestBuilder

---
package com.myProject.client;

import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.Response;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.ListBox;

public class JsonListBox extends ListBox {

public JsonListBox(String source) {

RequestBuilder builder = new RequestBuilder(RequestBuilder.GET,
source);
try {
builder.setCallback(new RequestCallback() {
public void onError(Request request, Throwable 
exception) {
}

public void onResponseReceived(Request request, 
Response response)
{
if (response.getStatusCode() == 200) {

JSONArray items = 
JSONParser.parse(response.getText()).isArray
();

JSONValue jsonValue;

for (int i=0; iitems.size(); 
i++) {
JSONObject jsMyObject;
JSONString jsTitle, jsId;

if ((jsMyObject= 
items.get(i).isObject()) == null) continue;

if ((jsonValue = 
jsMyObject.get(title)) == null) continue;
if ((jsTitle= 
jsonValue.isString()) == null) continue;

if ((jsonValue = 
jsMyObject.get(id)) == null) continue;
if ((jsId = 
jsonValue.isString()) == null) continue;


addItem(jsTitle.stringValue(), jsId.stringValue());

  }


setVisibleItemCount(items.size());
} else {

Window.alert(response.getStatusText());
}
}
});
builder.send();
} catch (Exception e) {
Window.alert(e.getMessage());
}
}

}

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Re: RFC 1867-compatibe File Upload

2010-01-26 Thread Martin Trummer

I'm not sure, what you mean with non-UI and on the other hand
you want to display a progressbar.
maybe you want a pure-GWT implementation without any 3rd party stuff
like flash or applets?

if so, this may be what you are looking 4:
http://code.google.com/p/gwtupload/

On 25 Jan., 17:43, Lothar Kimmeringer j...@kimmeringer.de wrote:
 CI-CUBE schrieb:

  I'm looking for an RFC 1867-compatible, pure (non-UI) file upload
  functionality to be used at [Smart]GWT's client side.

 FormPanel.setEncoding(FormPanel.ENCODING_MULTIPART)
 should provide that kind of functionality.

  It would be
  perfect if the code could provide a callback to render a progress bar.

 I'm not aware of such a thing but defining a function in a
 RemoteServiceServlet returning the currently received bytes
 of the parallel running upload, shouldn't be that hard to
 be implemented by yourself.

 Regards, Lothar

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Re: GWT 2.0 UI BINDER MVP

2010-01-26 Thread Stine Søndergaard

That is the question I felt like asking as well, Dalla.

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Re: Problems with build process, please help

2010-01-26 Thread Pieter Breed

This is the original v1.7 code with only the GWT 2 change applied, ie
no other code changes have been applied yet.

We are able to run the app in dev mode without any issues.

We use a few 3rd party modules, yes. The primary client-side
dependency is the GXT module. On the server we have a few other
dependencies:
 - ehcache
 - derby
 - jna

We do have a large number of codegen files. We have a 3rd party middle-
ware component that we use for comms, which allows us to have clients
for the server in many languages. We use this technology to codegen
XML serializers and DTOs. This pipeline is on the server, from where
normal GWT rpc is used to communicate with the client via the API
service calls. For most of these DTO's we create .properties files
that help us to create beans to which we can bind the UIs.

Does this information help?

Pieter

On Jan 26, 2:35 pm, Francisco Bischoff franzbisch...@gmail.com
wrote:
 The code you are trying to compile is the original from GWT 1.7 project or
 have you made some changes? What about the 3rd party modules, do you use
 some of that? Maybe there is some code messing up with the compiler...

 And the Development Mode, can you try the application using it?

 Try to compile your code as original as you had successfully compiled in GWT
 1.7 and try to make experiments cutting some 3rd party modules off.

 --
 Francisco Bischoffhttp://www.cirurgiaplastica.pro.br

 O mate está para o gaúcho como o chá para os ingleses, a coca para os
 bolivianos, o uísque para os escoceses e o café... para os brasileiros
 -- Eduardo Bueno

 On Mon, Jan 25, 2010 at 10:45 AM, Pieter Breed pieter.br...@gmail.comwrote:



  Hi Frincisca,

  Yes, actually... My machine is currently trying to build the app with
  an allocated 15Gigabytes of allocatable ram. Not many desktop machines
  have so much, so I'm stuttering along on virtual memory which makes it
  slow. (It's been busy for 2 hours already)

  But it does feel strange to me that gwtc would need so much ram, which
  is why I'm asking if we can work with the compiler in this case to
  keep these requirements down. The other option is that we are doing
  something wrong (which is slightly more likely). Maybe somebody can
  help us sort it out?

  Pieter

  On Jan 25, 11:59 am, Francisco Bischoff franzbisch...@gmail.com
  wrote:
   Hi,

   I'm not the very experient here, but have you tried to follow the
  compiler
   error?

   [ERROR] Out of memory; to increase the amount of memory, use the -Xmx
  flag
   at startup (java -Xmx128M ...)

   Maybe you just need to reserve more memory for the java compiler.

   --
   Francisco Bischoffhttp://www.cirurgiaplastica.pro.br

   O mate está para o gaúcho como o chá para os ingleses, a coca para os
   bolivianos, o uísque para os escoceses e o café... para os brasileiros
   -- Eduardo Bueno

   On Mon, Jan 25, 2010 at 9:47 AM, Pieter Breed pieter.br...@gmail.com
  wrote:

[ERROR] Out of memory; to increase the amount of memory, use
the -Xmx flag at startup (java -Xmx128M ...)

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Re: java.lang.NoClassDefFoundError in tomcat

2010-01-26 Thread ailinykh

I figured it out. Accidentally, I used
com.google.gwt.dev.util.collect.HashSet instead of java.util.HashSet.
It works in eclipse, but not in tomcat, even if I put jar into WEB-INF/
lib directory.

On Jan 25, 1:16 pm, ailinykh ailin...@gmail.com wrote:
 Hello, everybody!
 When I deploy my GWT application to tomcat I get this error message.
 Everything is Ok in eclipse. The class com/google/gwt/dev/util/collect/
 HashSet
 is located int gwt-dev.jar. I put this jar into WEB-INF/lib folder,
 but still no luck. Any ideas what is wrong?

 Thank you,
   Andrey

 SEVERE: Exception while dispatching incoming RPC call
 com.google.gwt.user.server.rpc.UnexpectedException: Service method
 'public abstract com.ais.slist.shared.SLItem[]
 com.ais.slist.client.ListManagerService.addSLItems(int,int,long[])
 throws com.ais.slist.shared.NotAuthorizedException' threw an
 unexpected exception: java.lang.NoClassDefFoundError: com/google/gwt/
 dev/util/collect/HashSet
         at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure
 (RPC.java:378)
         at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse
 (RPC.java:581)
         at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall
 (RemoteServiceServlet.java:188)
         at com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost
 (RemoteServiceServlet.java:224)
         at com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost
 (AbstractRemoteServiceServlet.java:62)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
 (ApplicationFilterChain.java:290)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter
 (ApplicationFilterChain.java:206)

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Re: GWT 2.0 Serialization policy strongName changes on refresh

2010-01-26 Thread PKolenic

The only time I have this kind of problem is when I am working in Dev
mode.
It seems that Eclipse caches the nocache.js file (Which tells the
browser which gwt.rpc to load).
Normally I don't do a rebuild unless I have changed something on the
backend so I remember most of the time to stop and restart Dev mode.

If you are having this issue outside Dev mode I would look to see if
your server is caching the nocache.js file

On Jan 26, 2:57 am, mijaelovic miguelangel...@gmail.com wrote:
 I was having problems with deploying my web app  in external server
 Jboss. I recently figured out that the strongName of the gwt.rpc
 changes every time I refresh the page. Can someone explains me how to
 avoid this?, or if this is a bug?. An output here:

 10:49:52,593 INFO  [STDOUT] Module base 
 URLhttp://localhost:8080/activa/activ8/
 10:49:52,593 INFO  [STDOUT] Strong name
 3DCC320CE6689ACF9B59549914237A6F
 10:49:52,609 INFO  [STDOUT] Serialization policy file path /
 activ8/3DCC320CE6689
 ACF9B59549914237A6F.gwt.rpc
 ...
 10:50:45,000 INFO  [STDOUT] Module base 
 URLhttp://localhost:8080/activa/activ8/
 10:50:45,000 INFO  [STDOUT] Strong
 nameA1BA880388289FA4FFF6A08E96127310
 10:50:45,000 INFO  [STDOUT] Serialization policy file path /activ8/
 A1BA880388289
 FA4FFF6A08E96127310.gwt.rpc
 10:50:45,015 ERROR [[/activa]] serviceImpl: ERROR: The serialization
 policy file
  '/activ8/A1BA880388289FA4FFF6A08E96127310.gwt.rpc' was not found; did
 you forge
 t to include it in this deployment?
 10:50:45,015 ERROR [[/activa]] serviceImpl: WARNING: Failed to get the
 Serializa
 tionPolicy 'A1BA880388289FA4FFF6A08E96127310' for module 'http://
 localhost:8080/
 activa/activ8/'; a legacy, 1.3.3 compatible, serialization policy will
 be used.
  You may experience SerializationExceptions as a result.
 10:50:45,156 ERROR [[/activa]] Exception while dispatching incoming
 RPC call
 com.google.gwt.user.client.rpc.SerializationException: Type
 'com.o2hlink.activ8.
 client.entity.Clinician' was not assignable to
 'com.google.gwt.user.client.rpc.I
 sSerializable' and did not have a custom field serializer.For security
 purposes,
  this type will not be serialized.: instance =
 com.o2hlink.activ8.client.entity.
 clinic...@2d4185

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Re: Maven users survey

2010-01-26 Thread Miguel Méndez

On Tue, Jan 26, 2010 at 12:01 AM, cowper iamco...@gmail.com wrote:

Hi,
From our perspective, we managed to get things working somewhat
adequately as follows:

1. use maven for automated builds and awesome dependency management
2. use eclipse and maven eclipse plugin
3. use gwt and gae plugins (where SDK must point to the same versions
as those declared in pom.xml)

Our biggest challenge was the assumption that the war lives in a
directory named war. We got around this on *ix by using a symbolic
link to point to the actual build directory in target. The second
issue was with the run configurations loading the hosted mode from a
non-sdk directory due to the order JAR files are included. We got
around this using the -Dappengine.sdk.root parameter.

So for us the big wins:

1. better integration of gwt and gae SDKs with maven dependency
management
2. flexibility to override all the parameters passed to the HostedMode
launcher (in this case we could override -war)

For GPE 1.3, there will be no magic arguments in launch configurations. In
other words, the program args and VM args will be explicitly listed in the
launch configuration and you can modify them as you see fit.

cowper

On Jan 13, 8:35 am, Keith Platfoot kplatf...@google.com wrote:
Hi folks,

For the next release of the Google Plugin for Eclipse, we're planning on
making a few tweaks to make life easier for Maven users. That's right:
we've
seen the stars on the issue tracker, and have decided it's time to act. I
would say, we feel your pain, but the problem is, we don't. Which is to
say, nobody on the plugin team actually uses Maven (everybody around here
uses Ant). However, I've been researching Maven to determine exactly what
changes we should make to allow it to work more seamlessly with the
Google
Eclipse Plugin. I've read the relevant issues and groups postings, so I
think I have a rough idea of what needs to happen. However, before we go
and
make any changes, I wanted to ask for the community's advice. So, here
are
some questions for you.

What is the typical workflow of a GWT developer using Maven?

I've installed Maven and the gwt-maven-plugin 1.2-SNAPSHOT and managed to
create a GWT 2.0 app with the provided archetype. After some tweaking,
I'm
able to GWT compile, debug with Eclipse (though not via our Web App
launch
configuration), create a WAR, etc. However, I'm more interested in how
you all
are doing things. For example:

How do you...

- Create a new project?
- Perform GWT compiles?
- Debug with Eclipse?
- Run your tests?
- Create a WAR for deployment?

What specific pain points do Maven users run into when using the Google
plugin?

I know one major obstacle is that our plugin currently treats the war
directory as both an input (e.g. static resources, WEB-INF/lib,
WEB-INF/web.xml) and output (WEB-INF/classes, GWT artifacts like
nocache.js
and hosted.html) . Maven convention, however, says that /src/main/webapp
should be input only, which means that hosted mode (or development mode,
in
GWT 2.0) needs to run from a staging directory (e.g. gwt:run creates a
/war
folder on demand). This mismatch results in the plugin creating spurious
validation errors and breaks our Web App launch configuration.

Another incompatibility is that Maven projects depend on the GWT Jars in
the
Maven repo, whereas our plugin expects to always find a GWT SDK library
on
the classpath.

Are my descriptions of these pain points accurate? If so, one possible
solution would be for the plugin to allow the definition of an input war
directory (e.g. src/main/webapp) separate from a launch-time staging
directory, and for us to relax the requirement that all GWT projects must
have a GWT SDK library. So tell me: would these changes adequately
reduce
the friction between Maven and the Google plugin?

Also, are there other problems Maven users are running into when using
the
plugin?

Thanks in advance for all feedback,

Keith, on behalf of the Google Plugin for Eclipse team

--
Miguel

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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?

...and another, this time the one I am actually after:

Class: com.google.gwt.core.client.JavaScriptException
Message:
(TypeError): Result of expression 'a' [null] is not an object.
line: 1520
sourceId: 4968015904
sourceURL: 
http://worm:8080/myShopInstall/gwt-results-app/5DF30FE3D0E594F4B64889C27BA79632.cache.html
expressionBeginOffset: 18742
expressionCaretOffset: 18743
expressionEndOffset: 18745

Line 1520 in the file looks like this:

function ZF(a){var b;b=PP(new MP,a.g);while(b.bb.c.d-1){RP(b);TP(b)}}

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Re: Problems with build process, please help

2010-01-26 Thread Pieter Breed

Sorry, I just read what I worte and realised I made a mistake. We
don't have that many .properties files, but we do have a large (
1000) files that describe each field in the DTO with a constant string
value. Ex:

public class AdminUserListDefProperties implements Serializable,
BeanModelTag {
public final static String Name = Name;
}

describes a class AdminUserListDef, which has one property, ie, getName
() and setName().

We have about a thousand of these (our data model is pretty huge) but
they are only used on the server, not on the client

Pieter

On Jan 26, 3:43 pm, Pieter Breed pieter.br...@gmail.com wrote:
 This is the original v1.7 code with only the GWT 2 change applied, ie
 no other code changes have been applied yet.

 We are able to run the app in dev mode without any issues.

 We use a few 3rd party modules, yes. The primary client-side
 dependency is the GXT module. On the server we have a few other
 dependencies:
  - ehcache
  - derby
  - jna

 We do have a large number of codegen files. We have a 3rd party middle-
 ware component that we use for comms, which allows us to have clients
 for the server in many languages. We use this technology to codegen
 XML serializers and DTOs. This pipeline is on the server, from where
 normal GWT rpc is used to communicate with the client via the API
 service calls. For most of these DTO's we create .properties files
 that help us to create beans to which we can bind the UIs.

 Does this information help?

 Pieter

 On Jan 26, 2:35 pm, Francisco Bischoff franzbisch...@gmail.com
 wrote:



  The code you are trying to compile is the original from GWT 1.7 project or
  have you made some changes? What about the 3rd party modules, do you use
  some of that? Maybe there is some code messing up with the compiler...

  And the Development Mode, can you try the application using it?

  Try to compile your code as original as you had successfully compiled in GWT
  1.7 and try to make experiments cutting some 3rd party modules off.

  --
  Francisco Bischoffhttp://www.cirurgiaplastica.pro.br

  O mate está para o gaúcho como o chá para os ingleses, a coca para os
  bolivianos, o uísque para os escoceses e o café... para os brasileiros
  -- Eduardo Bueno

  On Mon, Jan 25, 2010 at 10:45 AM, Pieter Breed 
  pieter.br...@gmail.comwrote:

   Hi Frincisca,

   Yes, actually... My machine is currently trying to build the app with
   an allocated 15Gigabytes of allocatable ram. Not many desktop machines
   have so much, so I'm stuttering along on virtual memory which makes it
   slow. (It's been busy for 2 hours already)

   But it does feel strange to me that gwtc would need so much ram, which
   is why I'm asking if we can work with the compiler in this case to
   keep these requirements down. The other option is that we are doing
   something wrong (which is slightly more likely). Maybe somebody can
   help us sort it out?

   Pieter

   On Jan 25, 11:59 am, Francisco Bischoff franzbisch...@gmail.com
   wrote:
Hi,

I'm not the very experient here, but have you tried to follow the
   compiler
error?

[ERROR] Out of memory; to increase the amount of memory, use the -Xmx
   flag
at startup (java -Xmx128M ...)

Maybe you just need to reserve more memory for the java compiler.

--
Francisco Bischoffhttp://www.cirurgiaplastica.pro.br

O mate está para o gaúcho como o chá para os ingleses, a coca para os
bolivianos, o uísque para os escoceses e o café... para os brasileiros
-- Eduardo Bueno

On Mon, Jan 25, 2010 at 9:47 AM, Pieter Breed pieter.br...@gmail.com
   wrote:

 [ERROR] Out of memory; to increase the amount of memory, use
 the -Xmx flag at startup (java -Xmx128M ...)

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Re: TabPanel listener sample code

2010-01-26 Thread Bruno Lopes

Hi,

import com.gwtext.client.widgets.TabPanel;
...


   final TabPanel tabPanel = new TabPanel();

tabPanel.setClosable(false);
tabPanel.setResizeTabs(true);
tabPanel.setMinTabWidth(115);
tabPanel.setTabWidth(135);
tabPanel.setEnableTabScroll(true);
tabPanel.setWidth(535);
tabPanel.setHeight(100%);
tabPanel.setActiveTab(0);
tabPanel.setLayoutOnTabChange(true);
tabPanel.addListener(new TabPanelListenerAdapter(){
@Override
public void onTabChange(TabPanel tabPabel, Panel tab) {
   //TODO
}
});


I hope it helps,

Bruno


On Tue, Jan 26, 2010 at 3:26 AM, Dhiren Bhatia dhir...@gmail.com wrote:

 Hi folks,

 Are there any samples of the TabPanel with the listener implemented?
 It would be very helpful to look at some example code.

 Thanks!

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How to use the emulated stack traces ?

2010-01-26 Thread David

Hi,

In GWT 2.0 there is supposed to be a feature that allows us to emulate
java stack traces in the compiled web application. I can not find much
information on how to enable this. The docs are very quite about this
subject.

I found that there are 3 properties:
- compiler.emulatedStack
- compiler.emulatedStack.recordLineNumbers
- compiler.emulatedStack.recordFileNames

According to info I found these 3 are supposed to be boolean
properties.
I tried setting them to true, but I get a very strange error in
recordLineNumbers and recordFileNames:
   [ERROR] The specified property
'compiler.emulatedStack.recordLineNumbers' is not of the correct type;
found 'ConfigurationProperty' expecting 'BindingProperty'
 [java]   [ERROR] Failure while parsing XML

How do I enable these features ?

David

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Re: GWT 2.0 Upgrade Problem

2010-01-26 Thread Chris Ramsdale

On Tue, Jan 26, 2010 at 6:21 AM, m.mil...@newelements.de 
m.mil...@newelements.de wrote:

 No, i definetly mean not the XYZ.nochache.js.

 Here is a line from my firebug:
 http://localhost:8080/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js

 this is what gwt tries to load, but the file is definetly reachable
 under this path:

 http://localhost:8080/application/application/64CE9F3B21EDFDB2ADBA49308C361972.cache.js


Are you trying to run this under an external app server (e.g. Tomcat), or
have you simply changed the port that the embedded server uses? If you're
deploying your app to an external app server, I can see how you might end up
with an application/application path (although I don't know how correct it
would be).

Let's take a step back, can you describe the directory structure that you
see after you run the GWT compiler?


 i think the gwt compiler has a problem with it´s pathes and the
 folders within the war file.
 i have a new problem, when i compile the application and start it at
 the application server all pathes to the images folder are wrong, but
 this time the name of the application instance is missing in the image
 pathes.

 i´m absolutely sure both problems had nothing to do with the upgrade
 but are compiler errors. i had similar problems before when ich made
 an if statement on an Tree.

 my original code was something like:
 if ( tree != null )

 that caused compiler error that have not been displayed but the
 XYZ.cache.js couldn´t been found

 wehn ich changed the line to:
 if ( tree.getRoot() != null )

 the compiled code worked.


I was able to successfully run the following code in both Development and
Web mode:

public class Test implements EntryPoint {

  public void onModuleLoad() {
Tree t = new Tree();
TreeItem ti = null;

if (ti != null) {

}
else {
  ti = new TreeItem(hello there);
}

t.addItem(ti);
RootPanel.get().add(t);
  }
}

Is there something different between your app and the above snippet?


So i guess, you google folks have to do a coulpe of fixes to your
 compiler :-)


I think several, mutually exclusive issues are being confused here. Would
you mind sending me your project, or a sample project that reproduces the
issues you mention above?


 On 11 Jan., 20:37, Chris Ramsdale cramsd...@google.com wrote:
  I second Rajeev's comments, there are a couple of oddities that you may
  experience when upgrading.
 
  That said, I'm wondering about the following (@m.militz):
 
  1. I'm assuming you meant XYZ.nocache.js and not XYZ.cache.js. Is this
  correct?
  2. While GWT does produce a .html when you create a new project, it does
 not
  create this file every time, and it does not alter it once created. Put
  another way, I don't believe that GWT is mucking with your Project.html
 file
  (not even during upgarde). Is your script tag, within Project.html,
  incorrect for some reason? What happens if you simply change it to
 reference
  module/module.nocache.js?
 
  - Chris
 
  On Mon, Jan 11, 2010 at 12:33 PM, Rajeev Dayal rda...@google.com
 wrote:
   Hi,
 
   Have you seen an instance where GWT tries to load the nocache.js file
   directly from the root of your war folder? What does the HTTP GET
 request
   look like?
 
   There is definitely a bug in GWT when switching between SDKs. The
 problem
   is twofold:
 
   1) The hosted.html file does not get regenerated. The workaround for
 this
   is to blow away the generated subdirectories of the war directory after
   switching SDKs.
   2) Because of the caching rules that GWT's embedded Jetty uses,
 hosted.html
   is not re-requested by the browser whenever it is requested. The
 workaround
   for this is to clear your browser's cache.
 
   Rajeev
 
   On Mon, Jan 11, 2010 at 11:16 AM, m.mil...@newelements.de 
   m.mil...@newelements.de wrote:
 
   Thanks for the hints, but all of this issues i could handle by myself.
   the problem is gwt produces erroneus code. it tries loading
   XYZ.cache.js files from the war folder, but into the war fiolder are
   subdirectories where the js files lies.
   It looks like this only happens on special occasions but i still can´t
   fire out what is responsible for that.
 
   On 9 Jan., 23:15, Sorinel C scristescu...@hotmail.com wrote:
Hi all,
 
There small tricks related with the environment, which aren't
documented, in the GWT tutorial.
 
Here you can find what helped me to solve the migration issues:
 
   
 http://ui-programming.blogspot.com/2009/12/update-your-application-to.
   ..
 
Cheers!
 
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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?

2010-01-26 Thread Djabi

BTW, Your code stills looks like compiled with -style obfuscated.

On Jan 26, 6:55 am, dduck anders.johansen.a...@gmail.com wrote:
 ...and another, this time the one I am actually after:

 Class: com.google.gwt.core.client.JavaScriptException
 Message:
 (TypeError): Result of expression 'a' [null] is not an object.
 line: 1520
 sourceId: 4968015904
 sourceURL:http://worm:8080/myShopInstall/gwt-results-app/5DF30FE3D0E594F4B64889...
 expressionBeginOffset: 18742
 expressionCaretOffset: 18743
 expressionEndOffset: 18745

 Line 1520 in the file looks like this:

 function ZF(a){var b;b=PP(new MP,a.g);while(b.bb.c.d-1){RP(b);TP(b)}}

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Re: Simple DOM programming example using GWT?

2010-01-26 Thread Djabi

Why don't you try

void onModuleLoad() {
RootPanel.get().add(new HTML(pHellopWorld));
}

If you really want to deal directly with the dom look at
com.google.gwt.user.client.DOM but this is probably not the way you
want to use GWT

On Jan 25, 11:07 am, markww mar...@gmail.com wrote:
 Ah actually it looks like this is needed:

     doc.getBody().appendChild(p);

 Thanks

 On Jan 25, 10:04 am, markww mar...@gmail.com wrote:



  Hi,

  I'm trying to use the new DOM classes, I'm not getting even a simple
  sample to work. I'd like to just try something like this:

  public class TestProject implements EntryPoint {
      public void onModuleLoad() {
          Document doc = Document.get();
          ParagraphElement p = doc.createPElement();
          p.setInnerText(hello!);
      }

  }

  Is this the right way to go? Do I still need to call doc.appendChild
  (p)? If I try that, I get an exception:

  com.google.gwt.core.client.JavaScriptException:
  (HIERARCHY_REQUEST_ERR): HIERARCHY_REQUEST_ERR: DOM Exception 3

  is there a guide to DOM programming using GWT by any chance?

  Thanks

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Best practice of GWT

2010-01-26 Thread Max

hi GWT gurus,

I would like to ask two question about GWT samples

1, Can I assume samples provided under folder gwt-2.0.0/samples are
written in best practices?
2, Is there any plan to re-write Showcase sample to UIBinder?

Best regards,
Max

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How to understand serialization binary format?

2010-01-26 Thread Dims

Is there some description of how precisely java objects are passed via
POST requests and returned in JSON responses?

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gwt maven and jetty caching

2010-01-26 Thread bconoly

Hey All,
   I'm using the gwt maven plugin to control my builds and the apache
war plugin is built into it.  Most of our visuals are controlled
strictly by css and since our upgrade to gwt 2.0 we're having a
horrible caching problem.  In the docs for the war plugin it has a
variable called useCache that controls caching.  Does anyone know if
I can pass this in as a system property to the jetty plugin and if so
how to do so?
Thanks in advance

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Re: GWT 2.0 UI BINDER MVP

2010-01-26 Thread Dalla

To clarify what I´m looking for, let´s assume that I´m working with
Googles MVP Contacts example.

Instead of having EditContactView and ContactsView as completly
separate views, I want to add them to a DockLayoutPanel,
showing both views at the same time.
Let´s assume that I want to put the ContactsView in the center panel,
and the EditContactView in the south panel.

I guess I would do this by creating a third view, called e.g. MainView
(and MainPresenter),
and then putting my existing views in this third view? But I´m still
confused as to how I would set this up,
or if creating a third view would even be the correct approach.

Please advice :-)

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UI Binder paths

2010-01-26 Thread Ice13ill

i'm using uibinder to create some widgets with a CSS file and the
corresponding .java and .ui.xml files.
Where can i find how the uibinder accesses the required resources ?

For example, i have my widgets in the package
com.testapp.client.widgets : MyWidget.java and MyWidget.ui.xml
The css file is in war/TestApp.css

how can i access the css file with the   ui:style src=file.css /
tag?
if i separate the .java files from .ui.xml files how can i tell where
to find the ui.xml file when i create the widget ?

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Re: GWT 2.0 Upgrade Problem

hi, i´m impressed about the quick reply!

at first i develop the application on jboss 5.1.0. everything works
fine in development mode but since i tried it on the joss i have a
couple of problems.

so the first application is the name of the application.
the second application is the name of the directory where the
compiled js files are placed.
http://localhost:8080/application/application/64CE9F3B21EDFDB2ADBA493...

i absolutely aggree with you that my problem is caused by mixing up
something :-)
in fact i tried mixing GWT, Isomorphic SmartGWT and CometServlet.
I have one main GWT Project and a couple of java projects to create
some sort of moduled structure.

i use smartgwt for the user interface and gwt for the client server
communication with the server side servlet.

in fact i´m not absolutely clear if my problems are caused by
compiling the gwt or the smartgwt parts.

but as soon as i can localize the code that causes the problems i will
post it here.


On 26 Jan., 15:37, Chris Ramsdale cramsd...@google.com wrote:
 On Tue, Jan 26, 2010 at 6:21 AM, m.mil...@newelements.de 

 m.mil...@newelements.de wrote:
  No, i definetly mean not the XYZ.nochache.js.

  Here is a line from my firebug:
 http://localhost:8080/application/64CE9F3B21EDFDB2ADBA49308C361972.ca...

  this is what gwt tries to load, but the file is definetly reachable
  under this path:

 http://localhost:8080/application/application/64CE9F3B21EDFDB2ADBA493...

 Are you trying to run this under an external app server (e.g. Tomcat), or
 have you simply changed the port that the embedded server uses? If you're
 deploying your app to an external app server, I can see how you might end up
 with an application/application path (although I don't know how correct it
 would be).

 Let's take a step back, can you describe the directory structure that you
 see after you run the GWT compiler?



  i think the gwt compiler has a problem with it´s pathes and the
  folders within the war file.
  i have a new problem, when i compile the application and start it at
  the application server all pathes to the images folder are wrong, but
  this time the name of the application instance is missing in the image
  pathes.

  i´m absolutely sure both problems had nothing to do with the upgrade
  but are compiler errors. i had similar problems before when ich made
  an if statement on an Tree.

  my original code was something like:
  if ( tree != null )

  that caused compiler error that have not been displayed but the
  XYZ.cache.js couldn´t been found

  wehn ich changed the line to:
  if ( tree.getRoot() != null )

  the compiled code worked.

 I was able to successfully run the following code in both Development and
 Web mode:

 public class Test implements EntryPoint {

   public void onModuleLoad() {
     Tree t = new Tree();
     TreeItem ti = null;

     if (ti != null) {

     }
     else {
       ti = new TreeItem(hello there);
     }

     t.addItem(ti);
     RootPanel.get().add(t);
   }

 }

 Is there something different between your app and the above snippet?

 So i guess, you google folks have to do a coulpe of fixes to your

  compiler :-)

 I think several, mutually exclusive issues are being confused here. Would
 you mind sending me your project, or a sample project that reproduces the
 issues you mention above?

  On 11 Jan., 20:37, Chris Ramsdale cramsd...@google.com wrote:
   I second Rajeev's comments, there are a couple of oddities that you may
   experience when upgrading.

   That said, I'm wondering about the following (@m.militz):

   1. I'm assuming you meant XYZ.nocache.js and not XYZ.cache.js. Is this
   correct?
   2. While GWT does produce a .html when you create a new project, it does
  not
   create this file every time, and it does not alter it once created. Put
   another way, I don't believe that GWT is mucking with your Project.html
  file
   (not even during upgarde). Is your script tag, within Project.html,
   incorrect for some reason? What happens if you simply change it to
  reference
   module/module.nocache.js?

   - Chris

   On Mon, Jan 11, 2010 at 12:33 PM, Rajeev Dayal rda...@google.com
  wrote:
Hi,

Have you seen an instance where GWT tries to load the nocache.js file
directly from the root of your war folder? What does the HTTP GET
  request
look like?

There is definitely a bug in GWT when switching between SDKs. The
  problem
is twofold:

1) The hosted.html file does not get regenerated. The workaround for
  this
is to blow away the generated subdirectories of the war directory after
switching SDKs.
2) Because of the caching rules that GWT's embedded Jetty uses,
  hosted.html
is not re-requested by the browser whenever it is requested. The
  workaround
for this is to clear your browser's cache.

Rajeev

On Mon, Jan 11, 2010 at 11:16 AM, m.mil...@newelements.de 
m.mil...@newelements.de wrote:

Thanks for the hints, but all of this issues i could

Re: How to understand serialization binary format?

2010-01-26 Thread Lothar Kimmeringer

Dims schrieb:
 Is there some description of how precisely java objects are passed via
 POST requests and returned in JSON responses?

The protocol can change between GWT-versions and is to be
regarded to be internal. If you really want to know you
have to read the sources of the RemoteServiceServlet.


Regards, Lothar

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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?



On 26 Jan., 16:15, Djabi george.djaba...@gmail.com wrote:
 BTW, Your code stills looks like compiled with -style obfuscated.

You are right.

Thought I had fixed it, but hadn't.

Here is the unobfuscated code:

function com_google_gwt_user_client_ui_Panel_
$clear__Lcom_google_gwt_user_client_ui_Panel_2V(this$static){
  var it;
  it = com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$WidgetCollection
$WidgetIterator__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2(new com_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator, this
$static.com_google_gwt_user_client_ui_ComplexPanel_children);
  while (it.com_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_index 
it.com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_this
$0.com_google_gwt_user_client_ui_WidgetCollection_size - 1) {
com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$next__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2Lcom_google_gwt_user_client_ui_Widget_2(it);
com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$remove__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2V(it);
  }
}


Error points to line starting with it = com_google..

Error message is:
(TypeError): Result of expression 'this$static' [null] is not an
object.

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Conditional Properties

2010-01-26 Thread Shaun

Hi,

I started a thread a while back asking for some way to support sub-
types of properties (e.g. for mobile Safari/Android).  I got a quick
response saying that Conditional Properties were the answer, and that
they were in GWT 2.0.

Thread:
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/41cf2491d3a33148/b027eae0b6dd6f9d?lnk=gstq=Shaun#b027eae0b6dd6f9d

Conditional Properties: 
http://code.google.com/p/google-web-toolkit/wiki/ConditionalProperties

Now GWT 2.0 is out, I'm trying to get conditional properties to work
but not having much luck.  I added the following to my gwt.xml file.
It happily compiles but says it's only compiling the usual 6
permutations rather than the expected 8.  In fact, even if I remove
the set-property declaration, I still only get 6 permutations so maybe
I'm doing something wrong here.

  define-property name=mobile.user.agent
values=android,iphone,none /
  property-provider name=mobile.user.agent![CDATA[
  {
var ua = window.navigator.userAgent.toLowerCase();
if (ua.indexOf('android') != -1) { return 'android'; }
if (ua.indexOf('iphone') != -1) { return 'iphone'; }
return 'none';
  }
  ]]/property-provider

  !-- Constrain the value for non-webkit browsers --
  set-property name=mobile.user.agent value=none 
none
  when-property-is name=user.agent value=safari /
/none
  /set-property

Has anyone managed to get this to work?  Does anyone know if
conditional properties were indeed implemented or whether they were
shelved for some reason?

Thanks,

-Shaun

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Re: Custom event system

2010-01-26 Thread Trevis

Btw the compile error is because type can't be static and depend on a
compile time generic arguement.  When the statics are innitilaized H
is not defined yet.

On Jan 25, 10:34 am, Ice13ill andrei.fifi...@gmail.com wrote:
 Hello, i'm trying to develop a custom application event system using
 my own events and a base event (inherited by the other event types)

 Here is the code of the base event class:

 public class EBaseEventH extends EventHandler extends GwtEventH{

         public static GwtEvent.TypeH TYPE = new GwtEvent.TypeH();

         @Override
         public GwtEvent.TypeH getAssociatedType() {
                 return TYPE;
         }

 }

 The first pb is a compilation problem: i get the message:

 Cannot make a static reference to a non-static type H
 I don't understand, why is H a static type ? and how can i resolve the
 pb ? (i'm not very good working with parametrized types)

 The second pb is that i'm not sure if this is a good/correct approach.
 Any ideas ?

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Re: How to write a simple overlay implementation?

2010-01-26 Thread markww

Ok this is what I came up with:

  public class SVGRect extends Node
  {
  protected SVGRect() {}

  public static final native SVGRect create() /*-{
  var rect = document.createElementNS('http://www.w3.org/2000/
svg', 'rect');
  return rect;
  }-*/;
  }

  public class SVGPanel extends Node
  {
  protected SVGRect() {}

  public native SVGPanel create(String width, String height) /*-{
  var svg = document.createElementNS('http://www.w3.org/2000/
svg', 'svg');
  svg.setAttribute('width', width);
  svg.setAttribute('height', height);
  return svg;
  }-*/;
  }

  // main module
  public void onModuleLoad() {

  SVGPanel panel = SVGPanel.create(100%, 100%);
  Document doc = Document.get();
  doc.getBody().appendChild(panel);

  SVGRect rect = SVGRect.create();
  rect.setWidth(100);
   create / manipulate shapes etc ...

  panel.appendChild(rect);
  }

I wanted to use overlays since they're supposed to introduce zero
overhead. If I derive from Widget (like gwt-svg does), then don't we
have to pay for the extra member variables used in the Widget class?
I'm worried that if I want to create a large number of rectangles for
example, then each will have extra data associated with it. The Widget
implementation looks like this at the start:

  public abstract class Widget {
int style, state;
Display display;
EventTable eventTable;
Object data;

so I'm just imaging each rectangle I create in my svg having all that
extra data associated with it.

@DaveC's comment:
Your create method is returning an Element - not an SVGPanel...
Yeah I'm not sure if this is right - runs ok (programming by chance) -
should I really return a Node, then cast it to my SVGRect type? Since
it's just an overlay, I thought it would be ok.

I may be completely off on all this, any more thoughts would be great.
I've got dragging svg shapes built in now and all that fun stuff, I'd
like to make this library available when complete, svg is really cool.
I also hooked it up to SVG Web, so that if on Internet Explorer, it'll
use that library to emulate SVG using Flash,

Thanks


On Jan 26, 3:19 am, Brett Morgan brett.mor...@gmail.com wrote:
 It might be worth checking out the gwt svg implementation in gwt-widget
 library:

 http://gwt-widget.sourceforge.net/docs/xref/org/gwtwidgets/client/svg...





 On Tue, Jan 26, 2010 at 6:22 AM, markww mar...@gmail.com wrote:
  Hi,

  I'd like to make some really simple overlay classes in GWT to wrap
  some SVG stuff. I'd basically like to get a rectangle drawn, this is
  how I do it in javascript:

   var svg = document.createElementNS('http://www.w3.org/2000/svg',
  'svg');
   svg.setAttribute('width', '100%');
   svg.setAttribute('height', '100%');
   document.body.appendChild(svg);

   var rect = document.createElementNS('http://www.w3.org/2000/
  svg','rect');
   rect.setAttribute(width,300);
   rect.setAttribute(height,100);
   svg.appendChild(rect);

  and now I'm having trouble translating that to GWT. I was hoping I
  could do a really thin overlay around all those calls, something like
  this:

  public class SVGPanel extends JavaScriptObject {
     protected SVGPanel() {}

     public static native SVGPanel create(String width, String height) /
  *-{
         var svg = document.createElementNS('http://www.w3.org/2000/
  svg', 'svg');
         svg.setAttribute('width', width);
         svg.setAttribute('height', height);
         return svg;
     }-*/;
  }

  public MyProject implements EntryPoint {

     public void onModuleLoad() {
         SVGPanel panel = SVGPanel.create(100%, 100%);
         Document.get().getBody().appendChild(panel);
     }
  }

  yeah but I do not have a grasp on how we can jump from the javascript
  representation of the SVG stuff to GWT java classes. For one, the
  SVGPanel class extends JavaScriptObject, but I can't simply add it to
  the Document body class because it's expecting an Element type. If
  someone could just point out the right way to do that bridge I should
  be able to get going after that.

  Also, I'm not sure if this the optimal way to incorporate some simple
  SVG classes, should I be modeling them using the DOM classes instead
  of trying to use JSNI ?

  Thanks

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Re: UI Binder paths



On Jan 26, 4:49 pm, Ice13ill andrei.fifi...@gmail.com wrote:
 i'm using uibinder to create some widgets with a CSS file and the
 corresponding .java and .ui.xml files.
 Where can i find how the uibinder accesses the required resources ?

 For example, i have my widgets in the package
 com.testapp.client.widgets : MyWidget.java and MyWidget.ui.xml
 The css file is in war/TestApp.css

 how can i access the css file with the   ui:style src=file.css /
 tag?

You can't. CssResource is a compile-time thing, and war/ is only an
output destination. Your CSS should be in your classpath, then you can
use paths relative to the package containing the *.ui.xml.

 if i separate the .java files from .ui.xml files how can i tell where
 to find the ui.xml file when i create the widget ?

Use a @UiTemplate annotation, with a relative path (not tested but I
guess it should work).

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Re: GWT Incubator update for GWT 2.0?

2010-01-26 Thread Jim Douglas

It looks like they snuck in an update when nobody was looking. :-)

http://code.google.com/p/google-web-toolkit-incubator/wiki/Downloads

On Jan 26, 9:36 am, WiseBoggz arseny.bogomo...@gmail.com wrote:
 Chris, is there an (approximate) timeframe for when you guys are
 planning to release the updated Incubator?

 We're having issues with GlassPanel (I guess everyone is), but also
 with the FastTree -- hoping the new release resolves these.

 Thanks!

 On Dec 27 2009, 11:43 pm, Chris Ramsdale cramsd...@google.com wrote:



  We're currently working on this and will send out an update shortly. In the
  meantime, any feedback regarding issues that you are are experiencing with
  the GWT Incubator and GWT 2.0 are greatly appreciated.

  - Chris

  On Fri, Dec 11, 2009 at 1:48 PM, Timmy G t...@paloalto.com wrote:
   Anyone know when we can expect to see the incubator project get
   refreshed for GWT 2.0?

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Re: JsonpRequestBuilder only works across domains?



On Jan 26, 12:43 pm, m.mil...@newelements.de
m.mil...@newelements.de wrote:
 once again, i have to answer the question myself!
 at first: would anyone PLEASE write an guide for using the
 jsonprequestbuilder it´s damn annoing the find out everything by
 try and error.

 about my problem:
 the name of the callback method for the jsonp request changes whith
 every request.
 when you do the first request the name is: __gwt_jsonp__.I0.onSuccess
 for the second request: __gwt_jsonp__.I1.onSuccess
 for the third: __gwt_jsonp__.I2.onSuccess
 ...

 that definetly make sense, BUT is nowhere noted in the
 documentation!
 and - belive it or not - you can see this little change from one
 request to another very hard when you look at a couple of requests.

The javadoc for JsonpRequestBuilder starts with:
The server will receive a request including a callback url
parameter, which should be used to return the response as following:

callback(json);

where callback is the url parameter (see setCallbackParam
(String)),

It's clear to me that the URL will contain a query string with a
parameter like callback=fnName (where 'callback' is the value you
passed to setCallbackParam, and 'fnName' is the callback, i.e. the
function name to call).
It even comes with an example of calling a GData API (with a link to
the GData API documentation that explains what ?alt=json-in-script
means)

Maybe you should first read some doc about JSON-P, such as
http://en.wikipedia.org/wiki/JSON#JSONP

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Added value of UIBinder in gwt 2.0?

2010-01-26 Thread Djay

Hello,

I've started using gwt for a couple of weeks and still face a question
on which I couldn't find any good answer.
What is the added value of the UIBinder in gwt 2.0?

For example, in my class, I can do:
VerticalPanel vertPanel = new VerticalPanel();
vertPanel.setSize(); and so on

or have a ui.xml file linked with my class.

Why would have to choose the ui.xml rathen than only java code?

Thanks,
Gerald

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Re: display images in smartgwt

2010-01-26 Thread Sanjiv Jivan

By default the images are loaded from the path {web-root}/images/

In the future please post SmartGWT related questions on the SmartGWT forum
: http://forums.smartclient.com/forumdisplay.php?f=14

Sanjiv

On Tue, Jan 26, 2010 at 4:43 AM, joe7935 joseph.p...@gmail.com wrote:

 hi all,
 I want to display a image is my project .
 i want to know where to store the image and what is the path for that
 image.
 by the way i successe to display a image that was stored in the web .
 please help me.
 thanks

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RichTextArea

2010-01-26 Thread Yossi

I am a bit surprised that I didn't see many issues on this:
I use RichTextArea and have the following problems:

1 - The getScrollHeight() always returns the height and not the actual
scroll height
2 - In IE each line is doubled

Can someone help?

Yossi

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Re: Advice on UIBinder

2010-01-26 Thread Mirco

Hi Alessandro,

IMHO, I wouldn't dare the (wasted) time in redoing the views using UIBinder. If 
your views are working beautifully 
right now, then why would you spend more time on them? If you have followed the 
best-practices, your views are 
likely to be silly (bunch of set and get methods). Rather, I would spend time 
in implementing cool stuff as client 
cache (if it can be done in your app), using the command pattern (if you don't 
already), improve client experience 
(I'd suggest Speed Tracer) with GWT.runAsync() calls, and more. GWT 2.0 is a 
new whole world and you can get 
some real fun in discovering it :)

Last, definitely testing as much as you can your application. That would make 
an application beautiful  ;) 


Cheers,
  Mirco

On Jan 26, 2010, at 10:55 AM, ale wrote:

 Hello, I'm lookin for an advice.
 I developed an application with GWT 1.7 and I have developed without
 looking the style; now I finished all the function and I want to make
 it beautiful. I recompile all with GWT 2.0 and works well,
 in your opinion is worth redo all the pages using the UIBinder?
 
 What are the benefits?
 The alternative is to edit (create) only CSS.
 
 Thanks, greetings
 Alessandro
 
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Re: GWT Incubator update for GWT 2.0?

2010-01-26 Thread WiseBoggz

I just noticed :)

I kept checking the home page, and it says 1.7 still.

Thanks!

On Jan 26, 12:53 pm, Jim Douglas jdoug...@basis.com wrote:
 It looks like they snuck in an update when nobody was looking. :-)

 http://code.google.com/p/google-web-toolkit-incubator/wiki/Downloads

 On Jan 26, 9:36 am, WiseBoggz arseny.bogomo...@gmail.com wrote:



  Chris, is there an (approximate) timeframe for when you guys are
  planning to release the updated Incubator?

  We're having issues with GlassPanel (I guess everyone is), but also
  with the FastTree -- hoping the new release resolves these.

  Thanks!

  On Dec 27 2009, 11:43 pm, Chris Ramsdale cramsd...@google.com wrote:

   We're currently working on this and will send out an update shortly. In 
   the
   meantime, any feedback regarding issues that you are are experiencing with
   the GWT Incubator and GWT 2.0 are greatly appreciated.

   - Chris

   On Fri, Dec 11, 2009 at 1:48 PM, Timmy G t...@paloalto.com wrote:
Anyone know when we can expect to see the incubator project get
refreshed for GWT 2.0?

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Re: UI Binder paths

2010-01-26 Thread Andrei Cosmin Fifiiţă

i'll try that. 10x!

On Tue, Jan 26, 2010 at 7:46 PM, Thomas Broyer t.bro...@gmail.com wrote:

On Jan 26, 4:49 pm, Ice13ill andrei.fifi...@gmail.com wrote:
i'm using uibinder to create some widgets with a CSS file and the
corresponding .java and .ui.xml files.
Where can i find how the uibinder accesses the required resources ?

For example, i have my widgets in the package
com.testapp.client.widgets : MyWidget.java and MyWidget.ui.xml
The css file is in war/TestApp.css

how can i access the css file with the ui:style src=file.css /
tag?

You can't. CssResource is a compile-time thing, and war/ is only an
output destination. Your CSS should be in your classpath, then you can
use paths relative to the package containing the *.ui.xml.

if i separate the .java files from .ui.xml files how can i tell where
to find the ui.xml file when i create the widget ?

Use a @UiTemplate annotation, with a relative path (not tested but I
guess it should work).

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Re: What causes com.google.gwt.core.client.JavaScriptException, and how to trace it?

2010-01-26 Thread John Denley

This is beyond anything Ive come across before, sorry I cant help anymore,
though it looks like i did manage to push you in the right direction!

good luck figuring it out...

2010/1/26 dduck anders.johansen.a...@gmail.com

On 26 Jan., 16:15, Djabi george.djaba...@gmail.com wrote:
BTW, Your code stills looks like compiled with -style obfuscated.

You are right.

Thought I had fixed it, but hadn't.

Here is the unobfuscated code:

function com_google_gwt_user_client_ui_Panel_
$clear__Lcom_google_gwt_user_client_ui_Panel_2V(this$static){
var it;
it = com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$WidgetCollection
$WidgetIterator__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2(new com_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator, this
$static.com_google_gwt_user_client_ui_ComplexPanel_children);
while (it.com_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_index
it.com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_this
$0.com_google_gwt_user_client_ui_WidgetCollection_size - 1) {
com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$next__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2Lcom_google_gwt_user_client_ui_Widget_2(it);
com_google_gwt_user_client_ui_WidgetCollection$WidgetIterator_
$remove__Lcom_google_gwt_user_client_ui_WidgetCollection
$WidgetIterator_2V(it);
}
}

Error points to line starting with it = com_google..

Error message is:
(TypeError): Result of expression 'this$static' [null] is not an
object.

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Re: How to use the emulated stack traces ?

2010-01-26 Thread David

Never mind... I should have read the reported error more careful. I
did not realize that there was a set-configuration-property as well...
I had to read the DTD to realize this.

David

On Tue, Jan 26, 2010 at 3:23 PM, David david.no...@gmail.com wrote:
 Hi,

 In GWT 2.0 there is supposed to be a feature that allows us to emulate
 java stack traces in the compiled web application. I can not find much
 information on how to enable this. The docs are very quite about this
 subject.

 I found that there are 3 properties:
 - compiler.emulatedStack
 - compiler.emulatedStack.recordLineNumbers
 - compiler.emulatedStack.recordFileNames

 According to info I found these 3 are supposed to be boolean
 properties.
 I tried setting them to true, but I get a very strange error in
 recordLineNumbers and recordFileNames:
       [ERROR] The specified property
 'compiler.emulatedStack.recordLineNumbers' is not of the correct type;
 found 'ConfigurationProperty' expecting 'BindingProperty'
     [java]       [ERROR] Failure while parsing XML

 How do I enable these features ?

 David

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RE : Re: Added value of UIBinder in gwt 2.0?

2010-01-26 Thread Gerald

Thank you for those points you mentioned.
Actually in my case we are developers and so would have a preferences in
java code rather than in xml instructions.

What I also wonder is if there are some optimisations in using one or the
other method.
Do you have any idea?

Le 26 janv. 2010, 7:57 PM, Mirco mirco.li...@gmail.com a écrit :

Hi Gerald,

declarative UI have some good advantages. The ones that first pop up in my
mind are:

- Your Web designers (which are usually not very used to Java fanciness) can
be more confident while
   retouching the layout of your application. Which also decrease the
chances that several people (devs
   and designers) touch the same file, with the risk of nasty conflicts to
resolve.


- A second advantage goes back to the verbosity of Java, which has not been
designed to be a GUI language
  (rather it is a general-purpose language). Cf this example from the GWT
Tutorial.
   http://code.google.com/webtoolkit/doc/latest/DevGuideUiBinder.html



public class MyFoo extends Composite {

  Button button = new Button();

  public MyFoo() {

button.addClickHandler(new ClickHandler() {
  public void onClick(ClickEvent event) {

handleClick();
  }
});
initWidget(button);
  }

  void handleClick() {
Window.alert(Hello, AJAX);

  }
}

In a UiBinder owner class, you can use the @UiHandler annotation to have all
of that anonymous class nonsense written for you.

public class MyFoo extends Composite {
  @UiField Button button;

  public MyFoo() {
initWidget(button);
  }

  @UiHandler(button)
  void handleClick(ClickEvent e) {

Window.alert(Hello, AJAX);
  }
}




Hope this helps.


Cheers,
  Mirco


On Jan 26, 2010, at 7:04 PM, Djay wrote:

 Hello,   I've started using gwt for a couple of weeks and still face a
question  on which I cou...
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popuppanel hight/width set to itself, does not work as expected

2010-01-26 Thread rakesh wagh

Check this code:

PopupPanel p = new PopupPanel();
p.setSize(p.getOffsetWidth() + px, p.getOffsetHeight() + px);

As expected, nothing should happen., size of the popup panel should
not change But you can notice that the size changes. Both height and
width increases by the amount of padding padding/margin/border
specified in the style. I you make those attribute 0px, it works. This
problem is not seen with DecoratedPopupPanel, reason being,
DecoratedPopupPanel does not use those attributes.

Any one know the workaround, or what's wrong here?

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Re: SubmitCompleteEvent.getResults on File upload

2010-01-26 Thread mably

A solution to this problem anyone ?

On 28 déc 2009, 14:58, Peter Ondruska peter.ondru...@gmail.com
wrote:
 public class Upload extends HttpServlet {

         private static final long serialVersionUID = -7859156850837921885L;
         private final Logger logger = Logger.getLogger(getClass().getName());

         @SuppressWarnings(unchecked)
         @Override
         protected void doPost(final HttpServletRequest request, final
 HttpServletResponse response) throws ServletException,
                         IOException {

                 response.setContentType(text/plain);

                 if (!ServletFileUpload.isMultipartContent(request))
                         return;

                 final PersistenceManager pm = 
 PMF.get().getPersistenceManager();
                 final ServletFileUpload upload = new ServletFileUpload();
                 upload.setSizeMax(1024*1024-256);
                 try {
                         final FileItemIterator iterator = 
 upload.getItemIterator(request);
                         while (iterator.hasNext()) {
                                 final FileItemStream fis = iterator.next();
                                 if (!fis.isFormField()) {
                                         final String name = fis.getName();
                                         final String mimeType = 
 fis.getContentType();
                                         // TODO overwrite existing if owner 
 matches
                                         final InputStream is = 
 fis.openStream();
                                         final Blob blob = new 
 Blob(IOUtils.toByteArray(is));
                                         final Document document = new 
 Document(name, mimeType, blob);
                                         final UserService us = 
 UserServiceFactory.getUserService();
                                         final User user = us.getCurrentUser();
                                         document.setOwner(user);
                                         pm.makePersistent(document);

                                         Cache cache = null;
                                         try {
                                                 CacheFactory cacheFactory = 
 CacheManager.getInstance
 ().getCacheFactory();
                                                 cache = 
 cacheFactory.createCache(Collections.emptyMap());
                                                 cache.put(docname~ + name, 
 blob.getBytes());
                                                 cache.put(doctype~ + name, 
 mimeType);
                                         } catch (CacheException e) {
                                                 logger.log(Level.SEVERE, 
 failed to configure cache, e);
                                         }

                                 }
                         }
                         response.getWriter().write(OK);
                 } catch (SizeLimitExceededException e) {
                         response.getWriter().write(Too big);
                 } catch (FileUploadException e) {
                         logger.log(Level.SEVERE, null, e);
                 } finally {
                         pm.close();
                 }

         }

 }

 On 28 pro, 10:56, Andrés Cerezo acerezoguil...@gmail.com wrote:



  I need more information, can yoyu sen the source code of the program.java ?

  Thanks.

  2009/12/26 Peter Ondruska peter.ondru...@gmail.com

   My upload servlet successfully accepts data however the response sent
   is not what I expect:

   pre style=word-wrap: brak-word; white-space: pre-wrap;OK/pre

   instead of just:

   OK

   The servlet basically responds with:

   response.setContentType(text/plain);
   response.getWriter().write(OK);

   I have tried with curl to post something and servlet (GAE/J SDK) sends
   only OK but in GWT application I see *pre style=word-wrap: brak-
   word; white-space: pre-wrap;OK/pre* when calling event.getResults
   ().

   Any clue what am I doing wrong?

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  http://groups.google.com/group/google-web-toolkit?hl=en.–Skrýt citovaný 
  text –

  – Zobrazit citovaný text –

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Default Arabic Number system, Arabic or Latin?

2010-01-26 Thread toptip

We are in the process of updating number format constants based on
latest CLDR update. In previous version, Arabic number system is used
for Arabic countries. Now CLDR offers both number system due to the
popular request of latin number system. In CLDR file, Arabic number
system is marked as the default. I just want to check if we should
stick with Arabic number system for Arabic locales or switch to Latin
system. I guess Latin number is more popular on the web in Arabic
countries. Is it true?

Arabic number system uses following digits ٠   ١   ٢   ٣   ٤   
٥   ٦   ٧   ٨   ٩ ( you
should see them in reverse order as it is RTL).
Latin digits are those 0, 1, 2, 3, 4, 5, 6, ,7, 8, 9 that we are all
very familiar with. And of cause, other symbols like decimal point,
exponential symbol, etc all different for each of those 2 systems.

shanjian

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Re: SubmitCompleteEvent.getResults on File upload



On 27 jan, 00:43, mably fm2...@mably.com wrote:
 A solution to this problem anyone ?

The JavaDoc says send back text/html. Follow this advice, really
(just pay attention to  and  chars that might appear in your
output).

 On 28 déc 2009, 14:58, Peter Ondruska wrote:

                  response.setContentType(text/plain);

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GWT overwriting java.util and java.io classes, Generators, and importing source that is in a src-jar

2010-01-26 Thread chris.ruffalo

Hello, list!

I'm trying to get back into writing my JSR-303 compliant validation
framework for GWT for a couple of reasons.  (http://code.google.com/p/
gwt-validation)

1) They (the JSR group) have released an updated/final proposition.
They have also released source code!
2) I have some free development time and the version 1 isn't something
I'm terribly proud of since I hacked it together for school.

I'm taking the src-jar from the JSR-303 group, unpacking it,
commenting out the bits that don't work in GWT (java.util.Locale and
java.io.InputStream), and just putting it alongside my code in
Eclipse.  I have a feeling that this is not the right way to do it,
nor is it the way I'd like to.  I would like to:

1) Create an implementation of java.util.Locale and
java.io.InputStream for GWT to use as a reference at compile time.
2) Reference the src-jar directly by using a javax.validation
package with the Validation.gwt.xml in it that references the source
path of /.

If I do this, everything should work properly with the added benefit
that I become JSR compliant (to those interfaces) and other people can
use my code alongside whatever validation package they're using with
(hopefully) minimal side effects.

I've also got another problem... I would really like one code path, so
that the developer using my implementation can call some code like:

Validator validator = ValidationFactory.getValidator();

Instead of having to use two versions, one for pure java and one for
hosted:

Validator validator = new Validator();
Validator validator = GWT.create(Validatable.class);

I'm planning on generating two things:

1) The metadata packages for each class that has validation
annotations.
2) The runtime-invokers for each of the classes that has validation
annotations.

Obviously, the reflection code will not work on the GWT side so
something like this will not work because Validator.class has calls to
reflection code:

public class ValidationFactory {

  public static Validator getValidator() {

if(GWT.isHosted() || GWT.isScript()) {
  return GWT.create(Validatable.class);
} else {
  return new Validator();
}

  }

}

I know that gwt-ent and other libraries have reflection bits that can
be used at runtime in GWT but gwt-ent has a differing implementation
of JSR-303 and involves adding a lot of other annotation bits to the
classes for reflection to work as well.  I think I've nailed down the
architecture for the broad strokes of getting this to work with no
additional harassment to the user but getting these technical details
solved will help me greatly.

I look forward to any/all responses.

Chris

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Re: Maven users survey

2010-01-26 Thread bkbonner

Hi Keith,

Thanks for offering to help us maven users.  I wish you guys did use
maven :)

On the development workstation, we use STS (for our purposes, Eclipse
Ganymede with m2eclipse plugin).  We use the Google Plugin for Eclipse
for Development mode.  We run development mode from the launch menu
(by manually configuring an Eclipse Debug/Run configuration with the --
noserver mode set.

For our continuous integration environment, we use Hudson and Maven
2.2.1.


We compile our code with the Google Eclipse Plugin and copy our code
over to src/main/webapp/app-name for debugging with our server.

We use Tomcat as our dev server.  I might like using Jetty, but there
need to be more instructions for configuring the embedded Jetty in the
Google Plugin for Eclipse.

I think you are on the right track re: the impedance mismatch between
Google Plugin for Eclipse (GWT) and Maven.  Maven does typically look
to src/main/webapp.


We use org.codehaus.mojo gwt-maven-plugin as configured here:

 plugin
groupIdorg.codehaus.mojo/groupId
artifactIdgwt-maven-plugin/artifactId
version1.2/version
configuration
inplacefalse/inplace
runTargetindex.html/runTarget
webXmlsrc/main/webapp/WEB-INF/web.xml/webXml
logLevelINFO/logLevel
warSourceDirectory/war/warSourceDirectory
/configuration
executions
  execution
goals
  goalcompile/goal
  goalgenerateAsync/goal
  !--
  goaltest/goal
   --
/goals
  /execution
/executions
  /plugin


Our project is a multi-module project with the GWT portion as a
specific module dependent upon a backend module (which has services
and DAOs).   We have another module which handles a web services layer
(separate from GWT).


We copy our GWT code into src/main/webapp so it can be hosted by the
WTP (m2 eclipse integration with Tomcat)  We don't fire up Jetty.  We
launch Tomcat from Eclipse WTP (Debug On Server).  To debug GWT, in
development, we launch our app with --noserver and specify the startup
URL to point to the WTP app.  It connects to the GWT plugin debugger.

Our front end testing leaves a lot to be desired.  We're trying to use
mvp and mocking to better test them.  We don't have it working
smoothly yet.  Our build code for our WAR isn't really working well,
yet either.

I'm happy to do a webex/dimdim to show you what we have working (and
not working).


One thing I've noticed from the responses so far is that some folks
use mvn eclipse:eclipse and others use m2eclipse (from sonatype).  The
sonatype piece seems to have better WTP integration and is part of the
IAM project as I understand it.  It seems more integrated if you use
eclipse.  The sonatype guys are the folks to talk to, specifically
Jason Van Zyl and Eugene Kuleshov  (http://www.sonatype.com/people/
category/m2eclipse/)

I also agree with Nir Feldman's comments.  I see these as well:

1.   Maven standard is using the src/test/java folder for test
cases. Mvn eclipse:eclipse then generates this folder as a source
folder.
Since the GWTTestCase is not part of the user jar and is part of the
dev jar when running the application from eclipse we always get the
following error:
12:16:37.315 [ERROR] [] Line 12: No source code is available for
type com.google.gwt.junit.client.GWTTestCase; did you forget to
inherit a required module?

2.   Support for coverage reports. When using cobertura plugin the
reports does not contain the GWTTestCase tests.

Brian Bonner

On Jan 13, 11:35 am, Keith Platfoot kplatf...@google.com wrote:
 Hi folks,

 For the next release of the Google Plugin for Eclipse, we're planning on
 making a few tweaks to make life easier for Maven users. That's right: we've
 seen the stars on the issue tracker, and have decided it's time to act. I
 would say, we feel your pain, but the problem is, we don't. Which is to
 say, nobody on the plugin team actually uses Maven (everybody around here
 uses Ant). However, I've been researching Maven to determine exactly what
 changes we should make to allow it to work more seamlessly with the Google
 Eclipse Plugin. I've read the relevant issues and groups postings, so I
 think I have a rough idea of what needs to happen. However, before we go and
 make any changes, I wanted to ask for the community's advice.  So, here are
 some questions for you.

 What is the typical workflow of a GWT developer using Maven?

 I've installed Maven and the gwt-maven-plugin 1.2-SNAPSHOT and managed to
 create a GWT 2.0 app with the provided archetype. After some tweaking, I'm
 able to GWT compile, debug with Eclipse (though not via our Web App launch
 configuration), create a WAR, etc. However, I'm more interested in how you all
 are doing things. For example:

 How do you...

    - Create a new project?
    - Perform GWT compiles?
    - Debug with Eclipse?
    - Run

How future proof are GWT permutations?

2010-01-26 Thread dmen

How future proof are GWT compilations? For example, if I compile my
app today with 2.0:

1. How it will react in a couple of years to lets say IE 9, Firefox 4,
etc.?

2. How it will react to a yet unknown, however standards compatible,
browser?

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Re: Problems with build process, please help

2010-01-26 Thread Francisco Bischoff

It should sound weird, but... have you tried to compile with less memory
at -Xmx parameter?

Try the default -Xmx128m, and others like -Xmx512m, -Xmx1024m or -Xmx8192m

This came from here It's more that the JVM allocates multiple regions of
memory. When you increase -Xmx, this can cause some of the other ones to
shrink.

I'll keep researching for an answer for this issue.

--
Francisco Bischoff
http://www.cirurgiaplastica.pro.br

O mate está para o gaúcho como o chá para os ingleses, a coca para os
bolivianos, o uísque para os escoceses e o café... para os brasileiros
-- Eduardo Bueno


On Tue, Jan 26, 2010 at 2:08 PM, Pieter Breed pieter.br...@gmail.comwrote:

 Sorry, I just read what I worte and realised I made a mistake. We
 don't have that many .properties files, but we do have a large (
 1000) files that describe each field in the DTO with a constant string
 value. Ex:

 public class AdminUserListDefProperties implements Serializable,
 BeanModelTag {
public final static String Name = Name;
 }

 describes a class AdminUserListDef, which has one property, ie, getName
 () and setName().

 We have about a thousand of these (our data model is pretty huge) but
 they are only used on the server, not on the client

 Pieter

 On Jan 26, 3:43 pm, Pieter Breed pieter.br...@gmail.com wrote:
  This is the original v1.7 code with only the GWT 2 change applied, ie
  no other code changes have been applied yet.
 
  We are able to run the app in dev mode without any issues.
 
  We use a few 3rd party modules, yes. The primary client-side
  dependency is the GXT module. On the server we have a few other
  dependencies:
   - ehcache
   - derby
   - jna
 
  We do have a large number of codegen files. We have a 3rd party middle-
  ware component that we use for comms, which allows us to have clients
  for the server in many languages. We use this technology to codegen
  XML serializers and DTOs. This pipeline is on the server, from where
  normal GWT rpc is used to communicate with the client via the API
  service calls. For most of these DTO's we create .properties files
  that help us to create beans to which we can bind the UIs.
 
  Does this information help?
 
  Pieter
 
  On Jan 26, 2:35 pm, Francisco Bischoff franzbisch...@gmail.com
  wrote:
 
 
 
   The code you are trying to compile is the original from GWT 1.7 project
 or
   have you made some changes? What about the 3rd party modules, do you
 use
   some of that? Maybe there is some code messing up with the compiler...
 
   And the Development Mode, can you try the application using it?
 
   Try to compile your code as original as you had successfully compiled
 in GWT
   1.7 and try to make experiments cutting some 3rd party modules off.
 
   --
   Francisco Bischoffhttp://www.cirurgiaplastica.pro.br
 
   O mate está para o gaúcho como o chá para os ingleses, a coca para os
   bolivianos, o uísque para os escoceses e o café... para os brasileiros
   -- Eduardo Bueno
 
   On Mon, Jan 25, 2010 at 10:45 AM, Pieter Breed pieter.br...@gmail.com
 wrote:
 
Hi Frincisca,
 
Yes, actually... My machine is currently trying to build the app with
an allocated 15Gigabytes of allocatable ram. Not many desktop
 machines
have so much, so I'm stuttering along on virtual memory which makes
 it
slow. (It's been busy for 2 hours already)
 
But it does feel strange to me that gwtc would need so much ram,
 which
is why I'm asking if we can work with the compiler in this case to
keep these requirements down. The other option is that we are doing
something wrong (which is slightly more likely). Maybe somebody can
help us sort it out?
 
Pieter
 
On Jan 25, 11:59 am, Francisco Bischoff franzbisch...@gmail.com
wrote:
 Hi,
 
 I'm not the very experient here, but have you tried to follow the
compiler
 error?
 
 [ERROR] Out of memory; to increase the amount of memory, use the
 -Xmx
flag
 at startup (java -Xmx128M ...)
 
 Maybe you just need to reserve more memory for the java compiler.
 
 --
 Francisco Bischoffhttp://www.cirurgiaplastica.pro.br
 
 O mate está para o gaúcho como o chá para os ingleses, a coca para
 os
 bolivianos, o uísque para os escoceses e o café... para os
 brasileiros
 -- Eduardo Bueno
 
 On Mon, Jan 25, 2010 at 9:47 AM, Pieter Breed 
 pieter.br...@gmail.com
wrote:
 
  [ERROR] Out of memory; to increase the amount of memory, use
  the -Xmx flag at startup (java -Xmx128M ...)
 
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Re: programatically using CssResource styles in 2.0

2010-01-26 Thread ross

thanks for the help Thomas!

On Jan 25, 4:36 am, Thomas Broyer t.bro...@gmail.com wrote:
 On Jan 25, 5:38 am,rossross.m.sm...@googlemail.com wrote:





  Hi,

  This is probably a very noob question but I have updated my project to
  GWT 2.0 and I am trying to rewrite some of my Widgets to use
  Declarative UI because it looks very promising and cool!

  However, I am a little stumped on how to apply CssResource styles
  dynamically in my code.  I found the trailing info on the site (http://
  code.google.com/webtoolkit/doc/latest/DevGuideUiBinder.html) and
  copied it here for convenience.  The part that stumps is me is the
  following lines:

  void setEnabled(boolean enabled) {
      getElement().addStyle(enabled ? : style.enabled() : style.disabled
  ());
      getElement().removeStyle(enabled ? : style.disabled() :
  style.enabled());
    }

  There do not appear to be addStyle(String) and removeStyle(String)
  methods in the Element class??  Am I missing something obvious?  I
  hope so!

 The methods are actually named addClassName and removeClassName.

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Cancel treeitem selection

2010-01-26 Thread Jamie

Hi.  I have a GWT tree of folders.  When a folder i do an RPC call to
load a list of files on the right side of the screen.  If the user
were to rapidly change folders it queues up the RPC calls and takes a
very long time to load whatever the last folder clicked was.  I want
to prevent a folder change while the files are still being loaded for
the just clicked on folder, so basically I want to cancel the
selection event.  I've tried a few approaches, but it seems difficult
since SelectionEvent cannot be cancelled.  I can get it to not select
the new treeitem, but it also looses selection of the old treeitem
even if i explicitly reselect it.

What is the best way to cancel treeitem selection?

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How to set center property for dialog box using ui binder in xml ????

2010-01-26 Thread Dev

Hi
Basically i want dialog box center 's call to show dialog box in
center should be set in xml as default.

Can anyone help me ??


Thanks
Dev

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css resource for widget

2010-01-26 Thread elgcom

can anyone give an example how to use CssResource for defining css for
a Widget, e.g. SplitLayoutPanel, in standard way.
since I cannot expose gwt-SplitLayoutPanel-HDragger in a CssResource
because of invalid - character.


//  @ClassName(gwt-SplitLayoutPanel-HDragger)
//  String gwtSplitLayoutPanelHDragger();
the Mail example did it in a @NotStrict way

// java
  interface GlobalResources extends ClientBundle {
@NotStrict
@Source(global.css)
CssResource css();
  }

// global.css
.gwt-SplitLayoutPanel-HDragger {
  cursor: col-resize;
}

.gwt-SplitLayoutPanel-VDragger {
  cursor: row-resize;
}

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Call into unknown JavaScript function given only name as string

2010-01-26 Thread Patrick

Hi,

I have a requirement where I have to call from GWT client code into an
arbitrary JavaScript function given only its name.

For example I have the name of the function as a String say
doSomething and I have an array of Strings for arguments. I'm
expecting that the function is already defined and implemented in the
browser by our customers but it could be anything and there can be
more than one of them. Meaning there might be one of these functions
or there could be 100.

I'm just wondering what the correct JSNI syntax for the body would be
for the following?

protected native void invokeJSFunction(String functionName, String[]
args)
/*-{
// what would I put here?
}-*/;

Any help is greatly appreciated!

Thanks,

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Re: mousemove listener for document?

2010-01-26 Thread Fazeel Kazi

Are u sure abt that? I haven't done any testing in gwt for it. If u hv done,
please share the details since have started using this extensively in my
project.

My experience from pure javascript is that one single handler at document
level is much better that having several handlers on various buttons and
anchors.

Thanks.


On Tue, Jan 26, 2010 at 4:47 PM, DaveC
david.andrew.chap...@googlemail.comwrote:

 I've run into (perfornance) issues using a NativePreviewHandler as it
 will recieve *ALL* events (mouseover/out/move/up/down etc, etc...)
 which is why I don't use that method.

 On Jan 26, 11:08 am, Fazeel Kazi fazzze...@gmail.com wrote:
  Another simpler solution using EventPreview:
 
  Event.addNativePreviewHandler(new Event.NativePreviewHandler()
  {
   public void onPreviewNativeEvent(NativePreviewEvent foEvent)
   {
  switch(foEvent.getTypeInt())
  {
 case Event.ONCLICK: handleClick(foEvent); break;
 case Event.ONMOUSEOVER: handleMouseOver(foEvent); break;
  }// end switch
   }
 
  });
 
  Regards.
 
  On Tue, Jan 26, 2010 at 3:09 PM, DaveC
  david.andrew.chap...@googlemail.comwrote:
 
   The way I've done it (I think is):
 
   1. Create a new Class that extends Widget and implements
   HasMouseMoveHandlers
 
   2. Grab the RootPanel Element and pass that into your new Class
   constructor (the one that takes an Element as a param) - this should
   call setElement(Element element) with you passed in element...
 
   You can now add MouseMove handlers to you new Widget...
 
   On Jan 26, 12:49 am, markww mar...@gmail.com wrote:
Hi,
 
Is there a way to listen for mousemoves on the main document? In
javascript, I usually do this:
 
  window.onload = function() {
  document.onmousemove = function(e) {
  alert(the mouse was moved!);
  };
  }
 
can we add some sort of similar listener in GWT? I'm just not sure
where to start,
 
Thanks
 
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GWT support for Grails/Groovy domain objects

2010-01-26 Thread Don Ruby, Ramp;D

GWT is the obvious choice for UI. But if you want to use Grails/Groovy
for server side, you have to either code messy DTOs or client side
POJOs.  It would be nice if GWT would support using the Grails/Groovy
domain objects directly on the client.  Any chance of that happening?

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Re: Call into unknown JavaScript function given only name as string

2010-01-26 Thread Brendan Kenny

Oh! And (hopefully I'm not stating the obvious here), check out the
apply Function method:
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Function/apply

and be careful with what this you pass into with it if the author of
that function made any assumptions about what this would refer to. The
exciting world of javascript!

On Jan 26, 9:39 pm, Brendan Kenny bcke...@gmail.com wrote:
 Check out the answers 
 here:http://stackoverflow.com/questions/359788/javascript-function-name-as...

 Though the executeFunctionByName example seems a little overblown. The
 real take away is to not use eval() if you can help it.

 I would also check to make sure the function is really a function
 before you call it (e.g. typeof $wnd[globalFunctionName] ===
 'function').

 On Jan 26, 4:05 pm, Patrick patrickmad...@optonline.net wrote:



  Hi,

  I have a requirement where I have to call from GWT client code into an
  arbitrary JavaScript function given only its name.

  For example I have the name of the function as a String say
  doSomething and I have an array of Strings for arguments. I'm
  expecting that the function is already defined and implemented in the
  browser by our customers but it could be anything and there can be
  more than one of them. Meaning there might be one of these functions
  or there could be 100.

  I'm just wondering what the correct JSNI syntax for the body would be
  for the following?

  protected native void invokeJSFunction(String functionName, String[]
  args)
  /*-{
                  // what would I put here?

  }-*/;

  Any help is greatly appreciated!

  Thanks,

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Re: GWT support for Grails/Groovy domain objects

2010-01-26 Thread Jan Ehrhardt

The problem is the GWT RPC's serialization, which can't work with objects
created by hibernate. You can use the DTO Grails plugin (
http://www.grails.org/plugin/dto) or you can use JSON / REST for
communication.

In the case of a Grails app, which comes with great support for REST / JSON,
I would prefer the second way.

Regards
Jan Ehrhardt

On Wed, Jan 27, 2010 at 4:37 AM, Don Ruby, Ramp;D
donald.r...@mindspring.com wrote:

GWT is the obvious choice for UI. But if you want to use Grails/Groovy
for server side, you have to either code messy DTOs or client side
POJOs. It would be nice if GWT would support using the Grails/Groovy
domain objects directly on the client. Any chance of that happening?

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Re: GWT Tomcat in Eclipse: Tomcat loads its classes from gwt-dev.jar instead of its own.

2010-01-26 Thread Cristian Nicanor Babula


Hi,

I actually got lost at the part where you said that you disable the 
google appengine server. It doesn't make sense, because if you intend to 
deploy your application to an application server not equal to GAE you 
must disable GAE support on your eclipse project. In fact, when you 
create a GAE project, eclipse copies in your WEB-INF/lib jars that I'm 
200% sure that would override some of the tomcat's classes.


So, try disabling GAE support for your eclipse project and try again. 
Also make sure that in WEB-INF/lib you have gwt-servlet.jar


Regards,
Cristian.

On 01/25/2010 11:49 PM, Bob Luo wrote:

Hi,

I am actually experimenting with GWT to replace our UI. (We actually
use struts)  I like GWT a lot so far.

I thus pushed the experiment further by trying to integrate it in our
solutions.  I must work within a few parameters set by my employer.
Among those, it must be possible for my team to debug/trace GWT stuff
(Take advantage of the devmode) but while the main application still
runs in tomcat 5.5.26. (-noserver switch).  All of this inside the
same Eclipse.

I came close to get this to work, really close, but here's my problem:
The tomcat ClassLoader loads tomcat classes found in gwt-dev.jar
instead of reading its own jar files.  If both those tomcats (Mine and
GWT's) were of the same version, I would probably not even know
there's a problem.

This is how i am set up:

1. I have a tomcat installed outside of my project, say, d:/
tomcat-5.5.26
2. I have an eclipse project which was created fully by the GWT
wizard. (say, d:/projects/myproject)
3. I activated the AJDT builder in this project.
Up until here, everything works great, but inside Google App Engine.
(no -noserver switch)

4. I deactivate the Google App Engine (add the -noserver switch)
5. I create a server.xml inside my project, rig everything up
6. I create a Run Configuration this way:
 6a. Main class: org.apache.catalina.startup.Bootstrap
 6b. Working directory: d:/tomcat-5.5.26/bin
7. I add bootstrap.jar in the classpath of my project.

I try to launch it, bang problems arise because of the mixup.  I tried
tampering with the classpath in my Run Configuration to eliminate GWT,
and my tomcat loads allright.  (Obviously the GWT classes on the
server-side fail to load since they extend RemoteService, which,
without GWT jars, is not found of course)

I suppose that if the tomcat jars were earlier in the classpath, I
would not have this problem?

A solution for me to try would be to open gwt-dev.jar and erase tomcat
classes.  I don't like this solution.  Would it even work?  Is there a
better way?

Thanks a lot!
Bob

   


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[gwt-contrib] Re: Comment on DataBackedWidgetsDesign in google-web-toolkit


Comment by andres.a.testi:

How this design fits with the passive view pattern? Should not be the view  
isolated from the model? If the view handles a ListEventT, where T is a  
model type, is not there a violation to the MVP contract?



For more information:
http://code.google.com/p/google-web-toolkit/wiki/DataBackedWidgetsDesign

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Re: [gwt-contrib] Re: Changing JsArrayT extends JavaScriptObject to JsArrayT

2010-01-26 Thread Stefan Haustein



 Collections are very, very amenable to bikeshedding, so I want to have a
 pretty well thought-out plan so as to avoid endless what if threads, if at
 all possible. Of course, if the design is bad, people will hopefully say so
 and we'll do something different. But I just don't want to start with so
 little that it doesn't have enough intertia to achieve escape velocity.


Bruce,

for collections in general, maybe we should also consider using / linking /
emulating closure collections. With stuff like Bach on the horizon, we may
otherwise end up with too many collection frameworks, creating a situation
similar to strings in C++.

For simple arrays, I think it may make sense to re-visit the original idea
of extending the scope of JsArrayT extends JsObject to JsArrayT extends
Object.

Stefan

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Re: [gwt-contrib] Re: Changing JsArrayT extends JavaScriptObject to JsArrayT

2010-01-26 Thread Joel Webber

Correct me if I'm wrong, but isn't the closure collections library more like
JRE-ish collections than simple JSO wrappers? My impression of most JS code
was that if it needed a string map or simple array, people tended to just
use raw objects, knowing that there are certain strange behaviors they have
to avoid.

That said, if there's a way to make them play nice together, I'm all for
it.

On Tue, Jan 26, 2010 at 7:46 AM, Stefan Haustein haust...@google.comwrote:


 Collections are very, very amenable to bikeshedding, so I want to have a
 pretty well thought-out plan so as to avoid endless what if threads, if at
 all possible. Of course, if the design is bad, people will hopefully say so
 and we'll do something different. But I just don't want to start with so
 little that it doesn't have enough intertia to achieve escape velocity.


 Bruce,

 for collections in general, maybe we should also consider using / linking /
 emulating closure collections. With stuff like Bach on the horizon, we may
 otherwise end up with too many collection frameworks, creating a situation
 similar to strings in C++.

 For simple arrays, I think it may make sense to re-visit the original idea
 of extending the scope of JsArrayT extends JsObject to JsArrayT extends
 Object.

 Stefan

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[gwt-contrib] Re: Comment on DataBackedWidgetsDesign in google-web-toolkit


Comment by j...@google.com:

@gg: Thanks -- we definitely need to  look at glazed lists when thinking  
about how table models are defined.


@andres: We certainly need to experiment with the class relationships, and  
this is by no means final. The broad idea, however, is that the views are  
essentially passive -- they express a range of interest (e.g., a  
row-range in the case of a list or table) that the model then pushes into  
them asynchronously. This allows for several specific benefits:

- It's inherently asynchronous, making it easier to fetch data as necessary.
- It allows the model to send new data to a view whenever it's available  
(not just when requested)

  - This is important for server-pushed data.
- It allows the model to quickly provide whatever data it has available,  
then send the rest later. For example, if a list needs rows [0, 10], and  
[0, 5] are cached, the model can provide the first five, request the rest,  
and provide them when they're available.


It's also important to note that this is *not* meant to be a fully-abstract  
MV[CP] system -- it's just meant to solve the problem of getting data  
efficiently and asynchronously to large lists, trees, and tables. In that  
sense it's more like Swing's JTable/TableModel. A system with its own  
MV[CP] pattern implementation could reasonably treat the pair as a single  
logical unit.



For more information:
http://code.google.com/p/google-web-toolkit/wiki/DataBackedWidgetsDesign

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[gwt-contrib] Canvas based widget library

2010-01-26 Thread ggeorg

Hi,

this is just a very simple demo of a widget library based on HTML5
canvas:

(reload the page after loading so that you can see the icons)

http://dev.gumboo.com:8880/Showcase/

The widgets can be skinned with CSS (getComputedStyle is used), see:

http://dev.gumboo.com:8880/Showcase/Showcase.css

The projects home page will be (so far there is nothing there):

http://code.google.com/p/gwt-rhodes/

Any comments?

Kind Regards,
George.

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[gwt-contrib] Re: Comment on DataBackedWidgetsDesign in google-web-toolkit


Comment by rj...@google.com:

MVP isn't gospel. Perhaps we'll find that the ListModel winds up playing  
the View roll when one of these table widgets is needed by an MVP developer.




For more information:
http://code.google.com/p/google-web-toolkit/wiki/DataBackedWidgetsDesign

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[gwt-contrib] Re: Comment on DataBackedWidgetsDesign in google-web-toolkit


Comment by georgopoulos.georgios:

Hi,

maybe out of scope, but ListBoxT in GWT Mosaic is a ScrollTable with a  
ListModel, see:


 http://69.20.122.77/gwt-mosaic/Showcase.html#CwFilterListBox

Having a model will be later useful in data binding, like in beans binding  
example:


 http://69.20.122.77/gwt-mosaic/Showcase.html#CwListBoxBinding

The ListBoxAdapterProvider is using internally a ListModel to bind a  
java.util.List with ListBox. Like in NetBeans with JTable or JList  Benas  
Binding.



For more information:
http://code.google.com/p/google-web-toolkit/wiki/DataBackedWidgetsDesign

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[gwt-contrib] Re: Server-side Class object on client-side

2010-01-26 Thread Sony

Think about an Event based RPC mechanism as outlined in this Article..
http://sonymathew.blogspot.com/2010/01/gwt-jee-blueprint.html

Essentially, RPC is then merely firing/listening to events.  You
merely extend RemtoteRequestEvent and RemtoteRequestEvent and make
sure any member content you add is serializable.

Sony

On Jan 25, 10:33 am, John Tamplin j...@google.com wrote:
 On Mon, Jan 25, 2010 at 11:26 AM, Nathan Wells nwwe...@gmail.com wrote:
  So, is it possible to get this sort of functionality? It would enable
  an RPC mechanism that is a lot easier and more natural. I don't think
  there would be any performance issues, but that is obviously hard to
  say for sure at this point.

 The RPC mechanism has no way to serialize a Java Class instance.
  Conceivably, you could write a CustomerFieldSerializer for Class and send
 the name to the client, and then Class.forName (etc) on the server, though I
 haven't tried it.

 --
 John A. Tamplin
 Software Engineer (GWT), Google

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[gwt-contrib] Re: JsStackEmulation leaves alone expressions invoked as functions

2010-01-26 Thread bobv


LGTM w/ nits.


http://gwt-code-reviews.appspot.com/132815/diff/3001/3003
File dev/core/src/com/google/gwt/dev/js/JsStackEmulator.java (right):

http://gwt-code-reviews.appspot.com/132815/diff/3001/3003#newcode594
Line 594: private final SetJsNode? invokedNodes = new
HashSetJsNode?();
Add javadoc

http://gwt-code-reviews.appspot.com/132815/diff/3001/3003#newcode759
Line 759: private final JsName rootLineNumbers =
program.getRootScope().findExistingUnobfuscatableName(
Why is this moved?

http://gwt-code-reviews.appspot.com/132815/diff/3001/3005
File
user/test/com/google/gwt/core/client/impl/StackTraceLineNumbersTest.java
(right):

http://gwt-code-reviews.appspot.com/132815/diff/3001/3005#newcode24
Line 24: public class StackTraceLineNumbersTest extends GWTTestCase {
Doesn't this needed to be added to CompilerSuite?

http://gwt-code-reviews.appspot.com/132815

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[gwt-contrib] [google-web-toolkit] r7464 committed - tr...@7399 was merged into this branch...


Revision: 7464
Author: jlaba...@google.com
Date: Tue Jan 26 08:21:15 2010
Log: tr...@7399 was merged into this branch
  Add deferred binding for setting float style.
  svn merge -c 7399 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk



http://code.google.com/p/google-web-toolkit/source/detail?r=7464

Modified:
 /releases/2.0/branch-info.txt
 /releases/2.0/user/src/com/google/gwt/dom/client/DOMImpl.java
 /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java
 /releases/2.0/user/src/com/google/gwt/dom/client/Style.java
 /releases/2.0/user/src/com/google/gwt/user/client/ui/TabLayoutPanel.java
  
/releases/2.0/user/test/com/google/gwt/user/client/ui/TabLayoutPanelTest.java


===
--- /releases/2.0/branch-info.txt   Mon Jan 25 11:45:40 2010
+++ /releases/2.0/branch-info.txt   Tue Jan 26 08:21:15 2010
@@ -1320,3 +1320,7 @@
   Remove an RPC request's context path when computing module-relative  
paths.
   svn merge -c 7459 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk


+tr...@7399 was merged into this branch
+  Add deferred binding for setting float style.
+  svn merge -c 7399 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk

+
===
--- /releases/2.0/user/src/com/google/gwt/dom/client/DOMImpl.java	Wed Sep   
2 07:58:52 2009
+++ /releases/2.0/user/src/com/google/gwt/dom/client/DOMImpl.java	Tue Jan  
26 08:21:15 2010

@@ -69,6 +69,18 @@
 return select;
   }

+  public native void cssClearOpacity(Style style) /*-{
+style.opacity = '';
+  }-*/;
+
+  public String cssFloatPropertyName() {
+return cssFloat;
+  }
+
+  public native void cssSetOpacity(Style style, double value) /*-{
+style.opacity = value;
+  }-*/;
+
   public abstract void dispatchEvent(Element target, NativeEvent evt);

   public native boolean eventGetAltKey(NativeEvent evt) /*-{
===
--- /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java	Wed  
Jun 10 14:19:15 2009
+++ /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java	Tue  
Jan 26 08:21:15 2010

@@ -21,6 +21,21 @@
  */
 class DOMImplIE6 extends DOMImplTrident {

+  @Override
+  public native void cssClearOpacity(Style style) /*-{
+style.filter = '';
+  }-*/;
+
+  @Override
+  public String cssFloatPropertyName() {
+return styleFloat;
+  }
+
+  @Override
+  public native void cssSetOpacity(Style style, double value) /*-{
+style.filter = 'alpha(opacity=' + (value * 100) + ')';
+  }-*/;
+
   @Override
   public int getAbsoluteLeft(Element elem) {
 Document doc = elem.getOwnerDocument();
===
--- /releases/2.0/user/src/com/google/gwt/dom/client/Style.java	Wed Nov  4  
06:59:39 2009
+++ /releases/2.0/user/src/com/google/gwt/dom/client/Style.java	Tue Jan 26  
08:21:15 2010

@@ -94,6 +94,7 @@

 public abstract String getType();
   }
+
   /**
* Enum for the border-style property.
*/
@@ -246,6 +247,27 @@
   }
 };
   }
+
+  /**
+   * Enum for the float property.
+   */
+  public enum Float implements HasCssName {
+LEFT {
+  public String getCssName() {
+return FLOAT_LEFT;
+  }
+},
+RIGHT {
+  public String getCssName() {
+return FLOAT_RIGHT;
+  }
+},
+NONE {
+  public String getCssName() {
+return FLOAT_NONE;
+  }
+},
+  }

   /**
* Enum for the font-style property.
@@ -515,6 +537,10 @@
   private static final String DISPLAY_BLOCK = block;
   private static final String DISPLAY_NONE = none;

+  private static final String FLOAT_LEFT = left;
+  private static final String FLOAT_RIGHT = right;
+  private static final String FLOAT_NONE = none;
+
   private static final String FONT_STYLE_OBLIQUE = oblique;
   private static final String FONT_STYLE_ITALIC = italic;
   private static final String FONT_STYLE_NORMAL = normal;
@@ -672,13 +698,20 @@
   public final void clearDisplay() {
 clearProperty(STYLE_DISPLAY);
   }
+
+  /**
+   * Clear the font-size css property.
+   */
+  public final void clearFloat() {
+clearProperty(DOMImpl.impl.cssFloatPropertyName());
+  }

   /**
* Clear the font-size css property.
*/
   public final void clearFontSize() {
- clearProperty(STYLE_FONT_SIZE);
-   }
+clearProperty(STYLE_FONT_SIZE);
+  }

   /**
* Clears the font-style CSS property.
@@ -754,8 +787,8 @@
* Clear the opacity css property.
*/
   public final void clearOpacity() {
- clearProperty(STYLE_OPACITY);
-   }
+DOMImpl.impl.cssClearOpacity(this);
+  }

   /**
* Clears the overflow CSS property.
@@ -1170,6 +1203,13 @@
   public final void setDisplay(Display value) {
 setProperty(STYLE_DISPLAY, value.getCssName());
   }
+
+  /**
+   * Set the float css property.
+   */
+  public final void setFloat(Float value) {
+setProperty(DOMImpl.impl.cssFloatPropertyName(), value.getCssName());
+  }

[gwt-contrib] [google-web-toolkit] r7465 committed - tr...@7443:7445 was merged into this branch...


Revision: 7465
Author: jlaba...@google.com
Date: Tue Jan 26 08:23:54 2010
Log: tr...@7443:7445 was merged into this branch
  Fixes a bunch of layout panel issues.
  svn merge -r 7443:7445 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk



http://code.google.com/p/google-web-toolkit/source/detail?r=7465

Added:
  
/releases/2.0/user/test/com/google/gwt/user/client/ui/SplitLayoutPanelTest.java
  
/releases/2.0/user/test/com/google/gwt/user/client/ui/StackLayoutPanelTest.java

Modified:
 /releases/2.0/branch-info.txt
 /releases/2.0/user/build.xml
 /releases/2.0/user/src/com/google/gwt/user/client/ui/SplitLayoutPanel.java
 /releases/2.0/user/src/com/google/gwt/user/client/ui/StackLayoutPanel.java
 /releases/2.0/user/src/com/google/gwt/user/client/ui/TabLayoutPanel.java
 /releases/2.0/user/test/com/google/gwt/layout/client/LayoutTest.java
 /releases/2.0/user/test/com/google/gwt/user/UISuite.java
  
/releases/2.0/user/test/com/google/gwt/user/client/ui/TabLayoutPanelTest.java


===
--- /dev/null
+++  
/releases/2.0/user/test/com/google/gwt/user/client/ui/SplitLayoutPanelTest.java	 
Tue Jan 26 08:23:54 2010

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may  
not
+ * use this file except in compliance with the License. You may obtain a  
copy of

+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,  
WITHOUT

+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations  
under

+ * the License.
+ */
+package com.google.gwt.user.client.ui;
+
+/**
+ * Tests for {...@link SplitLayoutPanel}.
+ */
+public class SplitLayoutPanelTest extends WidgetTestBase {
+
+  static class Adder implements HasWidgetsTester.WidgetAdder {
+public void addChild(HasWidgets container, Widget child) {
+  ((SplitLayoutPanel) container).addNorth(child, 10);
+}
+  }
+
+  public void testAttachDetachOrder() {
+HasWidgetsTester.testAll(new SplitLayoutPanel(), new Adder(), true);
+  }
+
+  public void testReplaceCenterWidget() {
+SplitLayoutPanel p = new SplitLayoutPanel();
+Label l0 = new Label(foo);
+Label l1 = new Label(bar);
+Label l2 = new Label(baz);
+
+// center: l1
+p.addWest(l0, 64);
+p.add(l1);
+assertEquals(l1, p.getCenter());
+
+// center: l2
+p.remove(l1);
+p.add(l2);
+assertEquals(l2, p.getCenter());
+  }
+
+  public void testSplitterOrder() {
+SplitLayoutPanel p = new SplitLayoutPanel();
+WidgetCollection children = p.getChildren();
+
+Label l0 = new Label(foo);
+Label l1 = new Label(bar);
+Label l2 = new Label(baz);
+Label l3 = new Label(tintin);
+Label l4 = new Label(toto);
+
+p.addWest(l0, 64);
+assertEquals(l0, children.get(0));
+assertEquals(SplitLayoutPanel.HSplitter.class,  
children.get(1).getClass());

+
+p.addNorth(l1, 64);
+assertEquals(l1, children.get(2));
+assertEquals(SplitLayoutPanel.VSplitter.class,  
children.get(3).getClass());

+
+p.addEast(l2, 64);
+assertEquals(l2, children.get(4));
+assertEquals(SplitLayoutPanel.HSplitter.class,  
children.get(5).getClass());

+
+p.addSouth(l3, 64);
+assertEquals(l3, children.get(6));
+assertEquals(SplitLayoutPanel.VSplitter.class,  
children.get(7).getClass());

+
+p.add(l4);
+assertEquals(l4, children.get(8));
+  }
+
+  public void testRemoveInsert() {
+SplitLayoutPanel p = new SplitLayoutPanel();
+WidgetCollection children = p.getChildren();
+
+Label l0 = new Label(foo);
+Label l1 = new Label(bar);
+Label l2 = new Label(baz);
+
+p.addWest(l0, 64);
+p.add(l1);
+assertEquals(l0, children.get(0));
+assertEquals(SplitLayoutPanel.HSplitter.class,  
children.get(1).getClass());

+assertEquals(l1, children.get(2));
+
+p.remove(l0);
+p.insertWest(l2, 64, l1);
+assertEquals(l2, children.get(0));
+assertEquals(SplitLayoutPanel.HSplitter.class,  
children.get(1).getClass());

+assertEquals(l1, children.get(2));
+  }
+}
===
--- /dev/null
+++  
/releases/2.0/user/test/com/google/gwt/user/client/ui/StackLayoutPanelTest.java	 
Tue Jan 26 08:23:54 2010

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may  
not
+ * use this file except in compliance with the License. You may obtain a  
copy of

+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,  
WITHOUT

+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

[gwt-contrib] [google-web-toolkit] r7466 committed - tr...@7456 was merged into this branch...


Revision: 7466
Author: jlaba...@google.com
Date: Tue Jan 26 08:25:43 2010
Log: tr...@7456 was merged into this branch
  Use IE style float deferred binding for IE8.
  svn merge -c 7456 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk



http://code.google.com/p/google-web-toolkit/source/detail?r=7466

Modified:
 /releases/2.0/branch-info.txt
 /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java
 /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplTrident.java

===
--- /releases/2.0/branch-info.txt   Tue Jan 26 08:23:54 2010
+++ /releases/2.0/branch-info.txt   Tue Jan 26 08:25:43 2010
@@ -1328,3 +1328,7 @@
   Fixes a bunch of layout panel issues.
   svn merge -r 7443:7445 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk


+tr...@7456 was merged into this branch
+  Use IE style float deferred binding for IE8.
+  svn merge -c 7456 --ignore-ancestry  
https://google-web-toolkit.googlecode.com/svn/trunk

+
===
--- /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java	Tue  
Jan 26 08:21:15 2010
+++ /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplIE6.java	Tue  
Jan 26 08:25:43 2010

@@ -25,11 +25,6 @@
   public native void cssClearOpacity(Style style) /*-{
 style.filter = '';
   }-*/;
-
-  @Override
-  public String cssFloatPropertyName() {
-return styleFloat;
-  }

   @Override
   public native void cssSetOpacity(Style style, double value) /*-{
===
--- /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplTrident.java	 
Mon Nov  2 12:44:54 2009
+++ /releases/2.0/user/src/com/google/gwt/dom/client/DOMImplTrident.java	 
Tue Jan 26 08:25:43 2010

@@ -127,6 +127,11 @@
 var html = multiple ? SELECT MULTIPLE : SELECT;
 return doc.createElement(html);
   }-*/;
+
+  @Override
+  public String cssFloatPropertyName() {
+return styleFloat;
+  }

   @Override
   public native void dispatchEvent(Element target, NativeEvent evt) /*-{

--
http://groups.google.com/group/Google-Web-Toolkit-Contributors

[gwt-contrib] Re: Server-side Class object on client-side

2010-01-26 Thread Nathan Wells

Sony,

I disagree with taking an event-based approach to RPC, but this isn't
really the forum for that discussion

John,

My problem is not Class serializability, but rather the fact that the
GWT compiler rejects any code path that has
SomeServerProcedure.class, since the compiler thinks it will need to
translate that class regardless of whether any class or instance
members are referenced. I'm suggesting that the compiler is a little
bit too eager.  When I use annotations, this isn't a problem, since
they are simply dropped by the compiler and kept by the server (where
I need them). However, that leads to an unnatural wrapping situation,
where I basically have a marker class on the client-side that
references a server procedure.

Does that make sense? I'm not sure if I'm explaining this well, and I
can give an example, but it will take a little more time than I have
immediately available. I'll probably write it up tonight.

On Jan 26, 8:31 am, Sony xsonymat...@gmail.com wrote:
 Think about an Event based RPC mechanism as outlined in this 
 Article..http://sonymathew.blogspot.com/2010/01/gwt-jee-blueprint.html

 Essentially, RPC is then merely firing/listening to events.  You
 merely extend RemtoteRequestEvent and RemtoteRequestEvent and make
 sure any member content you add is serializable.

 Sony

 On Jan 25, 10:33 am, John Tamplin j...@google.com wrote:



  On Mon, Jan 25, 2010 at 11:26 AM, Nathan Wells nwwe...@gmail.com wrote:
   So, is it possible to get this sort of functionality? It would enable
   an RPC mechanism that is a lot easier and more natural. I don't think
   there would be any performance issues, but that is obviously hard to
   say for sure at this point.

  The RPC mechanism has no way to serialize a Java Class instance.
   Conceivably, you could write a CustomerFieldSerializer for Class and send
  the name to the client, and then Class.forName (etc) on the server, though I
  haven't tried it.

  --
  John A. Tamplin
  Software Engineer (GWT), Google

-- 
http://groups.google.com/group/Google-Web-Toolkit-Contributors

[gwt-contrib] [google-web-toolkit] r7467 committed - tr...@7461 was merged into this branch...